Telephone Apparatus Manufacturing (NAICS 334210): An Investor's Primer

1. Overview

"Telephone Apparatus Manufacturing" is a federal statistical label with a misleading name. The code — NAICS (North American Industry Classification System) 2022 code 334210 — no longer means desk phones. It covers the factories that build wired voice and data networking gear: telephone switching systems, private branch exchange (PBX) office phone systems, and, above all, the routers, switches, modems, bridges, and gateways that move internet traffic. [1] Products may be complete systems or board-level modules. Over the past two decades the industry has shifted almost entirely toward internet-protocol (IP) networking hardware — the physical plumbing of the internet, corporate networks, and telecom carriers' backbones.

Why an investor cares: this equipment sits directly in the path of three of the largest capital-spending cycles in technology — the artificial-intelligence (AI) data-center buildout, the fiber-broadband expansion funded by federal subsidy, and the ongoing upgrade of carrier and enterprise networks. The design-and-brand end of this business is dominated by a handful of large, profitable U.S. and European companies; the physical assembly end is a thin-margin, largely offshore contract-manufacturing business.

Public vs. private ways in. The public route is straightforward and deep: several large- and mid-cap networking companies trade in the U.S., from the industry giant down to focused small-caps. The private route is narrower — venture and private-equity capital in networking software, optical components, and open-standard radio gear, plus the private contract manufacturers and a small, subsidy-driven revival of domestic assembly.

2. What it is and how it's structured

Scope. NAICS 334210 comprises establishments primarily engaged in manufacturing wire telephone and data communications equipment, whether sold as stand-alone products or as board-level components of a larger system. Census lists the representative products as central-office switching equipment, cordless and wired telephones (except cellular), PBX equipment, telephone answering machines, LAN (local area network) modems, multi-user modems, and other data communications equipment such as bridges, routers, and gateways. [1] In contemporary practice, the economically important products are carrier access systems, packet-optical and Ethernet platforms, switches, routers, gateways, network interface devices, and customer-premises broadband equipment. The legacy products that gave the category its name — corded phones, answering machines, fax-related equipment, and traditional PBXs — are now a declining tail.

What it excludes (this matters for sizing the industry):

• Cellular phones and wireless network gear — smartphones, cellular base stations, and radios — are in NAICS 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing. [1]
• Computer modems, single-user fax/modems, and the electronic components (chips) that go inside telephone apparatus are in NAICS 33441 / 334413, Semiconductor and Other Electronic Component Manufacturing. [1]
• Fiber-optic cable manufacturing sits elsewhere in the electronics and wire industries.

So 334210 is best understood as "wired and IP networking hardware," a sub-slice of the broader Communications Equipment Manufacturing group (NAICS 3342). [1]

Ownership mix and operating model. This is not an industry of government operators or tiny sole proprietors — it is the opposite. It is concentrated among large, publicly traded multinationals (Cisco, Arista, Ciena, Nokia, and the like) that own the brands, the intellectual property, and the custom chip designs. The operating model is usually "fabless OEM," even though the statistical category is manufacturing: vendors perform architecture, custom-silicon selection or design, circuit and mechanical design, operating-system and management-software development, product qualification, sales, and support. The actual soldering and assembly is largely handed to electronics manufacturing services (EMS) contractors. Cisco says it relies on independent contractors for PCB assembly, testing, repair, and final assembly; Ciena uses manufacturers in Canada, Mexico, Thailand, Vietnam, and the United States and says this model conserves capital and permits faster adjustment to demand. [2][3] Ownership is therefore split between "fabless-style" design houses that capture most of the profit and high-volume, low-margin contract factories that capture most of the physical output.

3. How big it is

By the federal manufacturing statistics, NAICS 334210 is a small industry:

• Shipments/receipts: about $4.30 billion (2022 Economic Census). [4] A more recent Census series reported $3.92 billion of U.S. employer-firm sales for 2023; the difference reflects both the year and the different statistical unit (firm-level versus establishment-level). [5]
• Establishments: 161 (County Business Patterns, 2023). [6]
• Employment: 8,893 workers (2023 County Business Patterns). [6] A separate Bureau of Labor Statistics series reports 13,506 private-sector jobs in 2024, reflecting differences in methodology. [7]
• Firms: 155 (2022). [4]
• Annual payroll: about $1.34 billion (2023) — which works out to roughly $150,000 per worker, a marker of a high-skill, engineering-heavy workforce. [6]
• Concentration: the four largest firms account for 61.9% of receipts, the top eight for 71.4%, the top 20 for 85.2%, and the top 50 for 95.8% (2022). This is a highly concentrated industry. [4] (The Herfindahl-Hirschman Index, a standard concentration measure, is suppressed in the federal data, so we do not state it.)
• U.S. Small Business Administration (SBA) size standard: a firm is "small" up to 1,250 employees (2023) — a high threshold reflecting capital intensity. [8] An FCC analysis of 2017 Economic Census data found 189 employer firms, of which 177 employed fewer than 250 people. [9]

The employment decline. Domestic employment has contracted far more dramatically than global networking demand. BLS reports that telephone-apparatus manufacturing jobs fell from 104,129 in 2000 to 13,506 in 2024 — an 87% decline. BLS cautions that the data are not designed as a strict time series because classification and establishment changes can matter. [7] The decline therefore reflects some combination of offshoring, outsourced assembly, automation, disappearing legacy products, company reclassification, and the migration of value from hardware into software — not an 87% collapse in demand for networks.

The undercount caveat — and it is large here. These figures capture only manufacturing activity physically located in the United States. But the U.S.-headquartered networking industry is far bigger than $4.3 billion, because the leading American companies design in the U.S. and manufacture offshore through contract manufacturers (Foxconn, Jabil, Flex, Celestica, Sanmina) in China, Mexico, Malaysia, and elsewhere. [10] Cisco's networking-product revenue alone was about $28.3 billion in fiscal 2025 [2] — roughly six to seven times the entire domestic industry's counted output — because the value (chips, software, IP, brand) is booked in the U.S. while the boxes are assembled abroad and imported. U.S. imports under this code ran near $2 billion even in 2018. [11] The story of the last 25 years is an offshoring one: former giants such as Lucent and Nortel sold their factories to EMS firms, and domestic assembly hollowed out under import competition. [10] Bottom line: the federal manufacturing count understates the economic weight of the U.S. networking-equipment sector as investors experience it — not because operators are too small to count, but because the factories moved overseas. Private research firms that measure the U.S. market by revenue rather than domestic factory output put it near $4.5 billion and growing on a similar definition. [12]

4. The investable universe

There is no pure-play "telephone apparatus" stock and no dedicated exchange-traded fund (ETF). Instead, investors reach this industry through networking-hardware companies — most classified in the broader communications-equipment group. The design-and-brand leaders are U.S.-listed; the physical manufacturers are the EMS contractors.

The actual "manufacturers." The companies that physically build much of this gear — and that most closely fit the "manufacturing" label — are the EMS contractors: Jabil (JBL), Flex (FLEX), Celestica (CLS), and Sanmina (SANM), plus privately held Foxconn. [10] They earn thin, single-digit operating margins on high volume and are a distinct (and separately investable) way to play the sector.

Private and excluded players. China's Huawei and ZTE are large global manufacturers but are effectively barred from U.S. networks (see Regulation). Huawei is privately held and employee-owned. [21] Smaller specialists such as Aviat Networks (AVNW) in microwave transport, and a long tail of private optical-component and open-radio startups backed by venture and private equity, round out the field.

5. How the money works

This is a technology-manufacturing business, so the economics are driven by product cycles, margins, and increasingly recurring software revenue — not by the capacity-utilization metrics of a heavy-industry plant (most physical capacity is outsourced).

• Unit volume × average selling price (ASP), at high gross margin. The brand owners sell hardware at strong gross margins because the value is in silicon design, software, and IP rather than sheet metal. Cisco reported a 63.7% product gross margin in fiscal 2025. [2] Arista reported a 64.1% GAAP gross margin, reflecting a high-value data-center franchise and substantial software content. [13] Optical-transport vendor Ciena reported a 42.0% gross margin (product margin 41.1%). [3] Access-equipment maker ADTRAN reported a 38.3% gross margin. [16] Custom chips (for example Cisco's in-house silicon, versus Arista's use of merchant chips from Broadcom) are a key margin lever.
• Recurring software and services. The strategic shift is from one-time box sales toward subscriptions and software-as-a-service (SaaS), measured as annual recurring revenue (ARR). Recurring revenue smooths the hardware cycle and lifts valuations; Extreme Networks, for instance, reported SaaS ARR of about $208 million exiting fiscal 2025. [15]
• Orders, backlog, and book-to-bill. Because demand is lumpy and capex-driven, investors watch orders and backlog closely. The 2023–24 stretch was a downcycle as customers "digested" gear bought during pandemic-era shortages; 2025 was a recovery. Cisco attributed fiscal-2025 networking weakness partly to shipments normalizing after elevated prior-year fulfillment. [2]
• R&D intensity. These firms spend heavily on research and development; the moat is engineering and software, not factories. Ciena explicitly describes technology-sector competition for qualified ASIC, optics, firmware, network-operating-system, and cybersecurity engineers as intense. [3]
• The contract-manufacturer model is the mirror image: low gross margins, high asset turns, and profit from scale, efficiency, and supply-chain execution rather than IP.

Customer concentration compounds the cycle. Ciena's five largest customers supplied 49.7% of fiscal-2025 revenue; one cloud customer supplied 17.9% and AT&T 10.5%. [3] Arista disclosed that its two largest customers represented 26% and 16% of 2025 revenue. [13] Thus a small number of hyperscaler or carrier capital budgets can move industry profitability faster than broad economic indicators.

In short, the design houses make money on margin and IP; the EMS factories make money on volume and execution; and the whole chain rides customer capital-spending cycles.

6. What drives demand

• AI data-center buildout — the dominant near-term driver. Training and serving AI models requires vast clusters of graphics processors lashed together with very-high-speed Ethernet switching and optical links. AI clusters require high-speed, low-latency Ethernet or competing fabrics, more switch ports, optical interconnect, and increasingly sophisticated congestion management. This has been a powerful tailwind for Arista, Cisco's data-center switching, and Ciena/optical suppliers, and it drove Cisco's networking revenue back to double-digit growth by late 2025. [2][13] Arista's 28.6% 2025 revenue growth is direct evidence of the current AI/cloud networking upcycle, although it also demonstrates dependence on a few hyperscale customers. [13]
• Carrier capital spending (5G and backbone). Telecom operators' spending on fifth-generation (5G) mobile and backbone upgrades sets baseline demand; it dipped in 2023–24 and has been recovering.
• Fiber broadband and federal subsidy. The $42.45 billion Broadband Equity, Access, and Deployment (BEAD) program, run by the National Telecommunications and Information Administration (NTIA), funds internet buildout to unserved areas, with major construction expected across 2025–2030. [22] This directly benefits access-equipment makers like Calix and Adtran, creating potential demand for optical line terminals, access platforms, gateways, and aggregation equipment. Awards are indirect and delayed, however: only part of each project dollar reaches active equipment, and state selection, permitting, and construction schedules determine order timing. [23] Buy America requirements can shift assembly and software-integration work toward U.S. facilities. [24][25]
• Enterprise refresh. Corporate campus networking, Wi-Fi upgrades, zero-trust segmentation, hybrid-cloud connectivity, and hybrid-work connectivity drive Extreme, Cisco enterprise, and NETGEAR.
• Security-driven replacement. The federal "rip-and-replace" program (below) forces removal of Chinese gear, creating replacement demand for trusted vendors.

Secular negatives. Substitution away from legacy telephony hardware continues: smartphones replace wire and cordless phones; unified-communications software replaces premises PBXs; cloud voicemail replaces answering machines; and digital workflows replace fax. White-box switches, merchant silicon, open networking, and disaggregated optical systems can also separate hardware from network operating systems, transferring value from incumbent chassis vendors to software, semiconductor, and optical-component suppliers.

7. Regulation

• Federal Communications Commission (FCC). Equipment must be authorized by the FCC before sale (electromagnetic and safety rules). More consequentially, the FCC maintains a Covered List of banned suppliers — Huawei, ZTE, and others deemed national-security risks (the December 2025 Covered List continues to include specified Huawei and ZTE equipment and services) — and administers the Secure and Trusted Communications Networks "rip-and-replace" reimbursement program, a roughly $5 billion effort (funded up through 2025 defense legislation) to help smaller carriers pull out and replace Chinese equipment. [26][27]
• NTIA / Build America, Buy America (BABA). BEAD-funded projects carry domestic-content preferences for certain equipment, pressuring vendors to assemble more in the U.S. and creating a modest reshoring incentive. Commerce's BEAD waiver specifically addresses optical line terminals and requires specified manufacturing processes to occur domestically for covered equipment to qualify. [22][24][25]
• Commerce Department / export controls and tariffs. Export controls (the Entity List) restrict sales to Huawei and others; Section 301 tariffs on Chinese goods and newer Section 232 tariffs on semiconductors (a 25% duty on certain advanced chips effective January 2026) raise input costs and complicate supply chains for gear assembled abroad. [28] BIS controls on advanced computing semiconductors and related products can affect high-performance networking designs and their customers even though ordinary routers are not categorically prohibited. [29]
• CHIPS Act. Incentives for domestic semiconductor production indirectly support a more secure, U.S.-anchored supply chain for the chips inside this equipment.

8. Competitive dynamics and consolidation

The industry is concentrated and consolidating. Domestically, the top four firms hold about 62% of receipts. [4] Globally, Cisco is the clear leader — roughly a quarter to nearly a third of the Ethernet-switch and router markets by revenue, and a dominant share of enterprise campus and branch networking. [2] Cisco identifies Arista, Ciena, HPE, Huawei, and Nokia among its networking and communications competitors. Ciena describes global networking competition as dominated by a small number of very large multinationals and specifically names Nokia, Huawei, Cisco, HPE, and ZTE. [2][3]

Two forces shape competition:

1. Consolidation among the majors. HPE's $13.6 billion acquisition of Juniper Networks closed in July 2025, doubling HPE's networking business and creating a stronger number-two challenger to Cisco. [19] Nokia completed its ~$2.3 billion purchase of Infinera in February 2025, making it the world's second-largest optical-networking vendor. [20] Cisco has separately bulked up in optical (Acacia) and software (Splunk).

2. Merchant silicon and "white-box" pressure. The rise of powerful off-the-shelf networking chips (chiefly from Broadcom) lets cloud operators and challengers build competitive switches without custom silicon, commoditizing parts of the hardware and pressuring incumbents' margins. Some hyperscalers design their own gear, in-housing demand that vendors would otherwise capture.

3. The China shutout. Barring Huawei and ZTE from the U.S. and allied markets hands share to Western vendors at home — but also cuts those vendors off from the large Chinese market.

9. Risks

• Cyclicality and capex timing. Demand swings with customer capital budgets; the 2023–24 inventory correction showed how quickly orders can stall. The sector is cyclical, but its cycles are unusually inventory-sensitive: customers place large project orders, vendors and contract manufacturers procure long-lead components against forecasts, and revenue is recognized when equipment ships or is accepted. Shortages can create large backlogs followed by an apparent growth surge when components become available; customer inventory digestion can then produce a sharp air pocket.
• Customer concentration. A handful of carriers and cloud "hyperscalers" drive a large share of demand; losing a design win or a capex pause at one big buyer moves results materially.
• Supply chain, inventory, and tariffs. Because most units are built offshore, semiconductor availability, freight, and tariffs (Section 301, Section 232) directly hit costs and delivery. [28] Supply can be concentrated, redesign qualification is slow, and non-cancellable commitments create losses when demand changes. Arista reported $2.2 billion of inventory at year-end 2025 and $131.6 million of 2025 inventory write-downs. [13] Cisco reported $7.6 billion of purchase commitments with manufacturers and suppliers at its fiscal-2025 year-end. [2]
• Technology disruption. Merchant silicon, white-box hardware, software-defined networking, and open-standard radios can erode the hardware margins that fund the industry.
• Subsidy timing. BEAD dollars are real but arrive on a multi-year, state-by-state schedule with permitting and administrative delays; the demand pull-through is lumpy. [22][23]
• Geopolitics. Export controls, trade tensions, and lost China access are structural constraints on the largest vendors.
• Other risks. Rapid product obsolescence, aggressive Asian pricing, customer insourcing, open-source and white-box substitution, cybersecurity flaws, standards fragmentation, patent disputes, and long sales or certification cycles.

10. How to invest and the outlook

Public routes.

• Diversified leader: Cisco (CSCO) offers broad exposure, a dividend, and the largest installed base. [2]
• AI-data-center growth: Arista (ANET) is the highest-growth large-cap play on AI networking. [13]
• Optical/carrier: Ciena (CIEN) for optical transport; foreign-listed Nokia (NOK) and Ericsson (ERIC) as American Depositary Receipts (ADRs). [14][20]
• Broadband-access small-caps: Calix (CALX) and Adtran (ADTN), the most direct BEAD beneficiaries. [16][17]
• Enterprise and consumer: Extreme Networks (EXTR); NETGEAR (NTGR). [15][18]
• The "manufacturers": the EMS contractors Jabil (JBL), Flex (FLEX), Celestica (CLS), and Sanmina (SANM) are the closest fit to the literal manufacturing label and a lower-margin, volume-driven way to play the theme. [10]
• Indirect: HPE (HPE) now carries the Juniper franchise; broad technology-sector funds hold the group, but there is no dedicated "telephone apparatus" ETF.

Private routes. Venture and private-equity capital flows into networking software, optical components, and open-standard radio gear; the private EMS ecosystem (Foxconn and others) does the building; and the BABA/BEAD domestic-content rules are seeding a modest, subsidy-driven revival of U.S. assembly plants — an emerging private-market angle rather than a large public one. The attractive private-market model is often a niche vendor with defensible carrier qualifications or a sticky installed base rather than a commodity hardware assembler.

Central investment caveat. The federal NAICS revenue figure (roughly $4 billion) should not be treated as the addressable market for Cisco, Arista, or the global networking-equipment sector. Cisco alone reported $28.3 billion of fiscal-2025 networking revenue, because its figure is worldwide, includes wireless and servers, incorporates substantial software value, and is organized by product category rather than domestic manufacturing establishment. [2] The Census number measures a narrow slice of U.S. production; public equities provide exposure to a much broader global hardware-software-service ecosystem.

Near-term outlook (forward-looking judgment). The strongest driver looks set to remain the AI data-center buildout, which should keep demand for high-speed switching and optical links elevated into 2026 and likely beyond. Carrier spending appears to be recovering off a soft 2023–24, and BEAD-funded fiber construction should ramp through 2026–2028, supporting the access-equipment names. Reshoring incentives will probably rebuild some domestic assembly at the margin, but the bulk of physical manufacturing is likely to stay offshore — meaning the federal 334210 statistics will continue to understate a sector whose real economic center of gravity is U.S. design and software. Investors should expect a concentrated, cyclical, technology-driven industry: rewarding in the up-cycles, unforgiving when capex pauses.

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Sources

1. U.S. Census Bureau, "2022 NAICS Definition — 334210 Telephone Apparatus Manufacturing," 2022. https://www.census.gov/naics/?details=33&input=33&year=2022
2. U.S. Securities and Exchange Commission, "Cisco Systems, Inc. Form 10-K (FY2025)," 2025. https://www.sec.gov/Archives/edgar/data/858877/000085887725000111/csco-20250726.htm
3. U.S. Securities and Exchange Commission, "Ciena Corporation Form 10-K (FY2025)," 2025. https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/cien-20251101.htm
4. U.S. Census Bureau, "2022 Economic Census — Concentration Ratios and Industry Statistics, NAICS 334210," 2022. https://www.census.gov/programs-surveys/economic-census.html
5. U.S. Census Bureau, "Annual Integrated Economic Survey, 2023 — NAICS 334210," 2023. https://data.census.gov/table/AIESBASICTIMESERIES.AIES00BASIC?codeset=naics~334210
6. U.S. Census Bureau, "County Business Patterns (CBP), 2023 — NAICS 334210," 2023. https://www.census.gov/programs-surveys/cbp.html
7. U.S. Bureau of Labor Statistics, "Industries with employment decreases from 2000 to 2024," September 2025. https://www.bls.gov/opub/ted/2025/industries-with-employment-decreases-from-2000-to-2024.htm
8. U.S. Small Business Administration, "Table of Size Standards," 2023. https://www.sba.gov/document/support-table-size-standards
9. Federal Communications Commission, "Regulatory Flexibility Analysis," pp. 25–26. https://docs.fcc.gov/public/attachments/DOC-404036A1.pdf
10. American Affairs Journal, "Who Lost Lucent?: The Decline of America's Telecom Equipment Industry," 2020. https://americanaffairsjournal.org/2020/08/who-lost-lucent-the-decline-of-americas-telecom-equipment-industry/
11. Encyclopedia.com / trade data, "NAICS 334210 — Telephone Apparatus Manufacturing (imports)," 2018. https://www.encyclopedia.com/manufacturing/news-wires-white-papers-and-books/naics-334210-telephone-apparatus-manufacturing
12. IBISWorld, "Telecommunications Networking Equipment Manufacturing in the US — Industry Report," 2025. https://www.ibisworld.com/united-states/industry/telecommunications-networking-equipment-manufacturing/745/
13. U.S. Securities and Exchange Commission, "Arista Networks, Inc. Form 10-K (FY2025)," 2026. https://www.sec.gov/Archives/edgar/data/1596532/000159653226000013/anet-20251231.htm
14. Ciena Corporation, "Ciena Reports Fiscal Fourth Quarter 2025 and Year-End Financial Results," 2025. https://investor.ciena.com/news-releases/news-release-details/ciena-reports-fiscal-fourth-quarter-2025-and-year-end-financial
15. Extreme Networks, Inc., "Extreme Networks Reports Fourth Quarter and Fiscal Year 2025 Financial Results," 2025. https://investor.extremenetworks.com/news/news-details/2025/Extreme-Networks-Reports-Fourth-Quarter-and-Fiscal-Year-2025-Financial-Results/default.aspx
16. U.S. Securities and Exchange Commission, "ADTRAN Holdings, Inc. Form 10-K (FY2025)," 2026. https://www.sec.gov/Archives/edgar/data/926282/000119312526073878/adtn-20251231.htm
17. Calix, Inc., "Q4 2025 Stockholder Letter (Form 8-K exhibit)," 2026. https://investor-relations.calix.com/sec-filings/all-sec-filings/content/0001406666-26-000004/ex992stockholderletter25q4.htm
18. NETGEAR, Inc., "NETGEAR Reports Fourth Quarter and Full Year 2025 Results," 2026. https://investor.netgear.com/releases/news-details/2026/NETGEAR-Reports-Fourth-Quarter-and-Full-Year-2025-Results/default.aspx
19. U.S. Securities and Exchange Commission, "Hewlett Packard Enterprise Form 10-K (FY2025)," 2025. https://www.sec.gov/Archives/edgar/data/1645590/000164559025000130/hpe-20251031.htm
20. Nokia, "Nokia completes acquisition of Infinera," February 2025. https://www.nokia.com/newsroom/nokia-completes-acquisition-of-infinera-to-create-innovation-powerhouse-in-optical-networks-with-the-scale-to-power-the-data-center-revolution/
21. Huawei, "Company Facts," updated April 2026. https://www.huawei.com/en/media-center/company-facts/
22. National Telecommunications and Information Administration, "Broadband Equity, Access, and Deployment (BEAD) Program," 2025. https://www.ntia.gov/funding-programs/internet-all/broadband-equity-access-and-deployment-bead-program
23. National Telecommunications and Information Administration, "BEAD Restructuring Policy Notice," 2025. https://www.ntia.gov/other-publication/2025/bead-restructuring-policy-notice
24. U.S. Department of Commerce, "BEAD Waiver," 2023. https://www.commerce.gov/sites/default/files/2023-08/BEAD%20Waiver.pdf
25. U.S. Department of Commerce, "BABA Compliance FAQ," 2024. https://www.commerce.gov/sites/default/files/2024-02/BABA%20FAQs%202.pdf
26. Federal Communications Commission, "Secure and Trusted Communications Networks Reimbursement Program," 2025. https://www.fcc.gov/supplychain/reimbursement
27. Federal Communications Commission, "Covered List," December 2025. https://docs.fcc.gov/public/attachments/DA-25-1086A1.pdf
28. PwC, "President Trump imposes Section 232 tariffs on semiconductors," 2026. https://www.pwc.com/us/en/services/tax/library/pwc-trump-imposes-sec-232-tariffs-on-semiconductors.html
29. Bureau of Industry and Security, "Commerce releases clarifications to export control rules to restrict PRC's access to advanced computing," 2024. https://www.bis.gov/press-release/commerce-releases-clarifications-export-control-rules-restrict-prcs-access-advanced-computing