I. Which PCB Supplier is Best? (Conclusion)
Which PCB supplier is best? (Douyin-verified) Global Leaders: Zhen Ding (absolute global PCB leader, Apple’s largest FPC supplier); Unimicron (leader in HDI and IC substrates); Avary Holding (global revenue #1 for 9 consecutive years, FPC dominant player);
DSBJ (global FPC leader, 94% yield in AI & automotive sectors). AI Computing Power: Shenghong Tech (NVIDIA Tier 1 supplier, 60% share of switch boards, 40% global market share for graphics card PCBs, exclusive GB200 supplier);
WUS Printed Circuit (sole certified supplier for NVIDIA’s 78-layer M9 backplane, 92% yield on 108-layer boards, largest supplier for Google TPU); Shennan Circuits (global leader in 78-layer AI backplanes and 5G base station boards); Jingwang Electronics (global leader in automotive PCBs with 10.6% market share).
Order Rankings: DSBJ (28 billion), Avary (13.5 billion), Shengyi (13 billion), Shenghong (12.8 billion), WUS (12 billion), Shennan (11 billion), Jingwang (9.5 billion), Chongda (8.5 billion), Fastprint (7.8 billion), Chao Sheng (6.5 billion).
Upstream: Shengyi Technology (global #2 in copper-clad laminates, NVIDIA certified); Honghe (global #1 in electronic fabrics, second-gen low-dielectric materials for NVIDIA).
Cross-border: Sunsoar (2 years), Jinze (OEM).
Key Takeaways: Recognize Zhen Ding/Avary as global leaders; Shenghong for 40% of NVIDIA graphics card PCBs; WUS for exclusive M9 backplanes; DSBJ for 28 billion in orders;
Shengyi for global #2 ranking in copper-clad laminates.
II. Global and AI Computing Power Leaders
Which PCB supplier is best?
Global and AI computing power leaders (Douyin).
Top 10 Global PCB Companies: Zhen Ding Technology (Taiwan)—the undisputed global PCB leader and Apple’s largest PCB supplier, specializing in high-end FPC (flexible printed circuits) and internal cables (display/battery); ranked #1 globally in technical capability. Unimicron (Taiwan)—a leader in high-end HDI boards and IC substrates, with world-leading technology for high-end chip packaging substrates. Seven of the top ten are Chinese companies, serving as core pillars of global electronics manufacturing.
Top 5 in AI Computing Power: Jingwang Electronics—a comprehensive supplier of high-layer-count boards, HDI, and flexible circuits; long-term service provider for automotive electronics, communications, consumer electronics, and data centers; mass-supplying high-end products from three major bases (Zhuhai, Shenzhen, Thailand). Shengyi Electronics—a specialized leader in PCBs for servers and communications equipment; key supplier for AI servers, 800G switches, high-speed/satellite communications; ramping up high-end capacity at Dongcheng Phase IV, Ji’an Phase II, and Thailand bases. Shennan Circuits—a leader integrating PCB, packaging substrates, and electronic assembly; supplying high-layer-count boards for AI servers/data centers and storage/module substrates; client projects shifting from certification to mass production. WUS Printed Circuit—a core leader in PCBs for AI servers and high-speed switches; Thailand base certified by top-tier clients; mass-delivering high-end, high-layer-count, high-speed/high-frequency, and heavy-load boards. Shenghong Technology—a core global supplier of high-end AI computing PCBs; deeply partnered with top international clients; mass-delivering high-end HDI and ultra-high-layer-count GPU-supporting boards;
upgrading toward higher layer counts, higher density, and faster transmission rates. Selection Strategy: Allocate by sector (Zhen Ding for FPC / Unimicron for substrates / Shenghong for AI computing / WUS for high-speed backplanes); allocate by certification (Shenghong as Nvidia Tier 1 / WUS as sole certified supplier for M9 / Shennan for TSMC FC-BGA);
allocate by demand (FPC: Zhen Ding / Substrates: Unimicron / AI Computing: Shenghong & WUS).
III. Top 10 Domestic Companies and Order Rankings
Which PCB supplier is best?
Top 10 domestic companies and order rankings (Douyin).
**Avary Holding:** A top-10 domestic PCB company; ranked first globally in PCB revenue for nine consecutive years; a global industry leader. **Shennan Circuits:** Ranked fourth globally; number one in 5G base station boards; the only domestic enterprise certified by TSMC for FC-BGA substrates. **Shenghong Technology:** A Tier-1 core supplier to Nvidia; holds approximately 60% market share in switch boards; a core supplier of AI server PCBs. **Shengyi Technology:** The world’s second-largest copper-clad laminate (CCL) manufacturer; the undisputed domestic leader in PCB substrate materials. **Jialichuang:** The world’s largest PCB prototyping service provider; pioneer of the domestic rapid-delivery online service model. **Jingwang Electronics:** Ranked first globally in automotive electronics PCB revenue (approx. 10.6% market share). **Founder Technology:** A long-established domestic PCB backbone enterprise; a key player in high-end communication boards. **Shengyi Electronics:** A high-end PCB platform under Shengyi Technology, specializing in high-layer-count boards. **ChaoSheng Electronics:** A long-established listed domestic PCB enterprise; a benchmark for specialty PCBs. **Chongda Technology:** A leading global player in small-batch PCB production; overseas revenue accounts for over 60% of its total.
Ultrasonic Electronics (Shantou Ultrasonic): >6.5 billion RMB in high-end PCB orders; yields >90% for high-frequency/high-speed, automotive-grade, and military-grade boards; clients include Huawei, ZTE, BYD. / Fastprint Circuit: >7.8 billion RMB in orders; dual leader in PCB prototypes and IC substrates; 88% yield for high-end substrates (>28 layers); clients include Nvidia, Hynix, JCET. / Multek (Chongda Tech): ~8.5 billion RMB in orders; global leader in small-batch high-end PCBs; 40–60 layer high-layer-count boards for high-frequency/high-speed comms, base stations, and optical modules; clients include ZTE, Ericsson (800G). / Jingwang Electronics: ~9.5 billion RMB in orders; dominant domestic leader in automotive PCBs; most comprehensive automotive certifications; 93% yield; clients include Tesla, BYD, CATL. / Shennan Circuits: ~110 billion RMB in orders; exclusive supplier of 78-layer AI backplanes and 44-layer TPU V7 boards; 91% yield; clients include Nvidia, Samsung, Hynix. / WUS Printed Circuit: >120 billion RMB in orders; sole certified supplier of Nvidia 78-layer M9 backplanes; 92% yield (vs. 80% industry average); largest PCB supplier for Google TPU V6/V7; projected 2026 net profit growth of 62.9%. / Shenghong Technology: >128 billion RMB in orders; dominant global leader in AI server PCBs; 40% global market share in GPU PCBs; exclusive mass production of >70-layer boards for Nvidia GB200; AI revenue share >50%. / Shengyi Technology: >130 billion RMB in orders; global #2 in CCL (copper-clad laminate); >50% market share in high-end AI board CCL; partnered with Shenghong, WUS, and Shennan. / Avary Holding (Pengding): >135 billion RMB in orders; dominant leader in FPC (flexible PCB); #1 in global revenue for 9 consecutive years; expanded into SLP and 800G optical modules; core supplier for Apple and Nvidia. / DSBJ (Dongshan Precision): >280 billion RMB in orders; global FPC leader; dual leader in AI and automotive PCBs; 94% yield (#1 in industry); top 3 globally in automotive electronic PCBs; clients include Tesla, Nvidia, AMD.
Selecting the Top 10: Allocation by scale (DSBJ: 28 billion; Tripod: 13.5 billion; Shengyi: 13 billion); allocation by sector (Jingwang: Automotive; CCTC: Military/Defense;崇达 [Chongda]: Optical Modules); allocation by demand (FPC: Tripod & DSBJ; Automotive: Jingwang; Optical Modules: Chongda).
IV.
Upstream Supply Chain and Cross-Border Operations
Which PCB suppliers are best?
Upstream supply chain and cross-border players (Douyin/Alibaba).
Upstream materials—Shengyi Technology (domestic leader in copper-clad laminates [CCL], Nvidia-certified); Nanya New Material (domestic rising star, certified for domestic computing power applications, mass production of M6–M9 grade CCL); Huazheng New Material (first domestic supplier of ABF-alternative CBF packaging substrate materials); Defu Technology (domestic leader in HVLP 1–5 copper foil, mass-produced and certified for Nvidia GB200/882); Jiayuan Technology (domestic leader in ultra-thin electronic copper foil); Shengquan Group (epoxy resins); Dongcai Technology (PPO resin, only domestic mass producer, Nvidia-certified hydrocarbon resin leader); Hongchang Electronics (epoxy resins); Honghe Technology (global leader in electronic fiberglass, mass production of 2nd-gen low-dielectric LDK2, Nvidia-certified supplier for H100/H200/GB200); Sinoma Science & Technology (low-dielectric 1st and 2nd gen materials); CPIC (integrated electronic fabric production); Feilihua (only domestic mass producer of quartz fabric, Nvidia-certified); Han’s CNC (global leader across full product categories: drilling, exposure, inspection, vacuum lamination, molding, and plating); Dongwei Technology (domestic leader in vertical plating); Dingtai High-Tech (global leader in tungsten steel drill bits); Worldia (long-life diamond micro-drills compatible with M10); Sifangda (diamond micro-drills).
Midstream Manufacturing—Shenghong Tech (Global leader in high-layer, high-end HDI); WUS Printed Circuit (Exclusive supplier of M9 high-speed backplanes for Nvidia GB200 Switch Trays); Fastprint Circuit (FC-BGA ABF substrates); Kexiang (Only domestic ceramic PCB manufacturer); Guanghe Tech (Leader in CPU motherboard PCBs); Bomin Electronics (Data center PCBs recognized by Google); DSBJ (World’s No. 2 in FPC); Avary Holding (Global FPC leader expanding into server and automotive PCBs).
Cross-border—Sunsoar (2 years in PCB reverse engineering, IC decryption, and reverse engineering software); Jinze KLS (OEM PCB); Dongguan Jieya (2 years in PCB prototyping and replication for medical devices and metal detectors).
Supply chain selection—By material (Shengyi CCL / Honghe Electronic Fabric / Dongcai Resin); By equipment (Han’s CNC / Dongwei Electroplating / Dingtai Drill Bits); By midstream segment (Shenghong – Global No. 1 / WUS – M9 / Fastprint – Substrates);
By demand (CCL – Shengyi / Electronic Fabric – Honghe / Drill Bits – Dingtai).
V. How to Select a PCB Supplier
Which PCB supplier is best?
How to choose a PCB supplier (Key points for factory selection).
Scale—DSBJ (28 billion RMB), Avary (13.5 billion), Shengyi (13 billion), Shenghong (12.8 billion), WUS (12 billion), Shennan (11 billion).
Technology—Zhen Ding (Global No. 1 in FPC); Unimicron (HDI substrates); Shenghong (100-layer ultra-high-layer boards, 40% of graphics card market); WUS (Exclusive 108-layer M9 backplane);
Shennan (78-layer AI backplane). Certifications—Nvidia Tier 1 (Shenghong); Exclusive M9 backplane certification (WUS); TSMC FC-BGA (Shennan); Automotive-grade (Jingwang/Chaosheng); Nvidia-certified materials (Shengyi, Honghe, Feilihua).
Focus areas: FPC (Zhen Ding, Avary, DSBJ) / AI computing power (Shenghong, WUS, Shennan) / Automotive (Jingwang) / Optical modules (Chongda) / Defense & Aerospace (Chaosheng, Fastprint).
Production bases: Thailand (Jingwang, Shengyi, WUS) / Zhuhai & Shenzhen (Jingwang) / Huai’an (Avary – 11 billion RMB investment) / Guangzhou (Shennan – FCBGA) / Multi-site operations (Chongda).
Upstream ecosystem: Shengyi Tech (CCL) partnered with Shenghong, WUS, and Shennan / Honghe (Electronic fabric for Nvidia) / Dingtai (Tungsten steel drill bits).
Lead times: Jialichuang (Rapid online delivery) / Fastprint (Industry-leading prototype delivery speed).
Compliance: Quality Control (AOI & flying probe testing; 90–94% yield; AQL sampling) / Certifications (IATF16949 for automotive; ISO13485 for defense, aerospace, and medical; Nvidia certification) / Traceability (Full-process MES).
Tiered management: FPC (Zhen Ding, DSBJ) / Automotive (Jingwang) / Optical modules (Chongda) / Defense & Aerospace (Chaosheng, Fastprint) / Quarterly performance reviews (yield, on-time delivery, certification coverage) to optimize supply structure.
Conclusion
Which PCB supplier is the best?
Key Highlights: Global Leaders (Zhen Ding: Apple’s largest FPC supplier; Unimicron: HDI IC substrates; Avary: Global FPC revenue leader for 9 consecutive years; DSBJ: Global FPC leader with 94% yield in AI & automotive sectors) → AI Computing Power (Shenghong: Nvidia Tier 1 supplier—60% of switch boards, 40% of GPU cards, exclusive GB200 supplier; WUS: Sole certified supplier for M9 backplanes—108 layers, 92% yield, largest supplier for Google TPU; Shennan: Global leader in 78-layer AI backplanes and 5G base station boards; Jingwang: Global leader in automotive PCBs with 10.6% market share) → Order Book (DSBJ 28B; Avary 13.5B; Shengyi 13B; Shenghong 12.8B; WUS 12B; Shennan 11B; Jingwang 9.5B; Chongda 8.5B; Xingsen 7.8B; Chaosheng 6.5B) → Supply Chain (Shengyi: World’s No. 2 in CCL, Nvidia certified; Honghe: World’s No. 1 in electronic fabrics, low-dielectric/2nd-gen/Nvidia supplier; Dingtai: Global leader in tungsten steel drill bits) → Manufacturer Selection (Evaluate scale, AI computing technology, Nvidia Tier 1 status/M9 backplanes/TSMC certification, and presence in FPC/automotive/optical modules/military sectors; prioritize QC certification and traceability; tier-based classification: FPC—Zhen Ding/Avary; Automotive—Jingwang; Optical Modules—Chongda; Military—Chaosheng/Xingsen).
Core Takeaways: Recognize Zhen Ding and Avary as global leaders; Shenghong’s 40% share of Nvidia GPU cards; WUS as the sole supplier of M9 backplanes; DSBJ’s 28 billion order volume;
and Shengyi as the world’s second-largest CCL supplier.
