Xiamen Bolion Tech. Co., Ltd., established in 2003, is a leading manufacturer of flexible circuit boards (FPC) and rigid-flex PCBs based in Xiamen, China. With over 800 employees and four production bases, the company operates 30,000 square meters of clean production workshops, supporting a monthly capacity of 40,000 square meters for FPC. Bolion specializes in a comprehensive range of products including Flexible PCBs, Rigid-Flex PCBs, Flexible PCB Heaters (Polyimide and Silicone Rubber types), and Cell Contact System (CCS) Battery Modules. These products are crucial for applications requiring miniaturization, mobility, and bendability, serving high-tech industries such as automotive (including EV battery pack solutions since 2016), medical devices, aerospace, industrial control, and consumer electronics. The company offers OEM and ODM services, providing high-mix, low-volume production with quick lead times and an in-house SMT line for one-step service. Xiamen Bolion Tech. Co., Ltd. holds numerous certifications including ISO 9001, IATF 16949 (Automotive), ISO 13485 (Medical Devices), ISO 14001, UL, and RoHS, underscoring its commitment to quality and environmental standards. With an annual revenue between US$10 million and US$50 million, the company exports significantly to North America, Europe, and other international markets, serving major customers like BMW and Volkswagen.
High-Quality 2 Layer Rigid-Flex PCB
Supergroup Technology Co., Ltd.
🇨🇳 China
200251-100 peopleManufacturer/Distributor
Established brand
OEM manufacturer
ODM manufacturer
Product customization
Key customer
CANON
Key market
North America
Description
Supergroup Technology Co., Ltd. is a professional electronic manufacturing provider and PCB specialist headquartered in Shenzhen, China, with over 20 years of industry experience. Operating as both a manufacturer and distributor, the company maintains a dual-location structure with significant production facilities in Shenzhen and Shaoguan, including a factory footprint exceeding 60,000 square meters. The company serves a prestigious global clientele, including major brands such as Philips, Canon, Sharp, LG, and Foxconn.
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Rogers 1.6mm PCB Supplier$1
1.0mm Highly Quality and Free Shipping Aluminium PCB$1
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MFS Technology (Hunan) Co., Ltd. is a premier manufacturer and one-stop interconnect solutions provider based in Changsha, China. Established in 2003 as a wholly foreign-owned subsidiary of the Singapore-listed MFS Technology Limited, the company has grown into a major global player in the flexible circuits market. Operating with a workforce of 501 to 1000 employees, the company maintains a significant production capacity of 600,000 SQM for PCBs and 350,000 SQM for FPCs annually. MFS Technology specializes in the design, manufacture, and assembly of high-density multilayer PCBs, single and double-sided flexible printed circuits (FPC), and rigid-flex boards.
Sierra Circuits, Inc. is a premier American manufacturer and assembler of high-technology printed circuit boards (PCBs), headquartered in Sunnyvale, California. Founded in 1986, the company operates a 70,000 sq. ft. manufacturing campus and is recognized as a minority- and woman-owned business. Sierra Circuits specializes in end-to-end solutions, including PCB fabrication, assembly, and component sourcing, with a strong emphasis on 100% Made in USA production and fast-turnaround prototypes.
The company's extensive product portfolio features Rigid, Flex, Rigid-Flex, and High-Density Interconnect (HDI) PCBs, as well as specialized solutions for Microelectronics, RF & Microwave, and Aerospace & Defense applications. Their capabilities range from quick-turn Turnkey PRO services, which can deliver fully assembled boards in as little as five days, to complex advanced PCBs supporting up to 30 layers with blind and buried vias. They utilize sophisticated manufacturing processes such as laser direct imaging, laser drilling, and flying probe testing to ensure high reliability.
Sierra Circuits maintains rigorous quality standards, holding certifications including ISO 9001:2015, ISO 13485:2016 for medical devices, AS9100D for aerospace, and MIL-PRF-31032. They are also ITAR registered and NIST certified, serving high-profile clients across the automotive, healthcare, and defense sectors, including NASA, Boeing, and Lockheed Martin. With a workforce of over 500 employees, the company integrates advanced proprietary design tools and engineering support to assist clients from initial layout through mass production.
Flex and Rigid-Flex PCBs
Flex and Rigid-Flex PCBs
Rigid PCBs
Rigid PCBs
PCB Mass Production
Online PCB Manufacturing
Online PCB Manufacturing
HDI PCBs
RF / MW PCB Manufacturing and Assembly
RF / MW PCB Manufacturing and Assembly
PCB Mass Production
Aerospace & Defense PCBs
Epec, LLC
🇺🇸 United States
1952101-200 peopleManufacturer/Service Company
Established brand
OEM manufacturer
ODM manufacturer
Product customization
Shipments
56
Key customer
KITCHEN EQUIPMENT DE SAN LUIS
Key market
North America
Description
Epec, LLC, also known as Epec Engineered Technologies, is a premier manufacturer and OEM partner specializing in custom, build-to-print electronic solutions. Founded in 1952 and headquartered in New Bedford, Massachusetts, the company is recognized as the oldest printed circuit board manufacturer in North America, boasting over 70 years of industry expertise. Epec serves more than 5,000 customers globally across the medical, aerospace, defense, and automotive sectors, supported by a workforce of approximately 100 to 200 employees and annual revenues between $50 million and $100 million.
Suntek Electronics Co., Ltd. is a professional contract manufacturer and trading company headquartered in Changsha, China, with over 12 years of experience in the Electronic Manufacturing Services (EMS) field. Operating production facilities in both China and Cambodia, the company employs between 101 and 200 people and provides comprehensive one-stop solutions including PCB/FPC assembly, cable assembly, mix technology assembly, and full box-build services. Their technical expertise spans surface mount technology (SMT), through-hole technology (THT), and ball grid array (BGA) assembly, supported by in-house testing capabilities such as in-circuit and functional testing.
The company specializes in a wide range of products, including multilayer, rigid-flex, and flexible PCBs, as well as wire harnesses and AV products like HDMI cables, RCA cables, and satellite splitters. Suntek Electronics serves diverse sectors such as automotive, medical, communication, and industrial electronics. As an OEM and ODM provider, they offer both turnkey and consignee solutions, emphasizing rapid prototyping and Design for Manufacturing (DFM) services. The company maintains high quality standards with a robust QC system and holds several international certifications, including ISO 9001:2015, ISO 13485 for medical devices, IATF 16949 for the automotive industry, and UL. All products are manufactured in compliance with RoHS regulations, ensuring suitability for high-end global markets.
FPC/FPCB/Rigid-Flex PCB/ Flex-Rigid PCB Production Polyimide/Pi+Fr4 Material Immersion Gold Circuits$0.6
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Dele Group Limited
🇨🇳 China
1998501-1000 peopleManufacturer/Service Company
High capacity factory
Established brand
OEM manufacturer
Product customization
Shipments
64
Key customer
BOLIVIAN GROUP
Key market
🇬🇧 United Kingdom
Description
Dele Group Limited is a diversified manufacturer and service provider with significant operations in both high-precision electronics and specialized printing and packaging. Established between 1998 and 2003, the company operates multiple facilities, including an 8,000-square-meter factory in Shenzhen, China, and over 65,000 square feet of production space in the United Kingdom. The group employs between 501 and 1,000 professionals globally, serving high-tech enterprises, research institutes, and the entertainment industry.
In the electronics sector, the company is a leading contract manufacturer specializing in Printed Circuit Board (PCB) production and Surface Mount Technology (SMT) processing. Their technical capabilities range from single-sided to 30-layer boards, including high-frequency, flexible, and aluminum-based PCBs. They utilize advanced technologies such as HDI micro-via and blind/buried vias, offering a one-stop service from sample production to medium-volume assembly.
Complementing its electronics division, the group is a premier specialist in bespoke printed packaging and labels. They provide comprehensive solutions from structural design to lithographic and digital printing, particularly for the music and media sectors, including vinyl sleeves and folding cartons. The company maintains rigorous quality standards with a suite of certifications including ISO 9001, ISO 14001, UL, RoHS, FSC, and SEDEX. With a strong international trade presence, Dele Group Limited exports to major markets across North America, Europe, Asia, and Oceania, emphasizing high-quality production, competitive pricing, and reliable logistics.
Nujay Technologies Inc., founded in 2001 and headquartered in Lake Forest, California, is a specialized value-added supplier and distributor of Printed Circuit Boards (PCBs) and Liquid Crystal Displays (LCDs). The company serves as a strategic supply chain partner for small-to-medium-sized businesses, bridging the gap between global manufacturing capabilities and local project management. Recently acquired by the ICAPE Group, Nujay Technologies continues to provide end-to-end solutions including PCB fabrication, assembly, and design for manufacturability (DFM) advice.
The company offers an extensive product portfolio that includes rigid PCBs (up to 52 layers), flexible and rigid-flex circuits, HDI, metal core, and high-frequency boards utilizing specialized laminates from brands like Rogers and Panasonic. Their service capabilities extend to PCB layout, artwork conversion, stencils, and full turn-key assembly. Nujay Technologies manages a robust global supply chain, sourcing from vetted domestic and overseas manufacturers to provide flexible distribution models such as JIT, KANBAN, and consignment.
Nujay Technologies is ISO 9001:2015 certified and ensures its manufacturing partners adhere to rigorous quality standards, including ISO 13485, IATF 16949, and UL approval. The company supports a diverse range of high-reliability sectors, including Aerospace and Defense, Automotive, Medical, Industrial Instrumentation, and Telecommunications. By combining local engineering expertise with international sourcing, they deliver high-quality electronic technical parts and components while ensuring intellectual property protection under U.S. regulations.
Flex and Rigid-Flex PCB Specifications
Rigid PCB Specifications
Printed Circuit Boards Assembly
Sunshine Precision Circuits Co., Ltd
🇨🇳 China
20061001-2000 peopleManufacturer/Distributor
High capacity factory
Large enterprise group
OEM manufacturer
Small batch production
Key customer
ABB
Key market
Asia
Description
Sunshine Precision Circuits Co., Ltd is a publicly-listed manufacturer and distributor of high-technology Printed Circuit Boards (PCBs) based in Shenzhen, China, with a global presence including facilities in Europe and North America. Established in 2006, the company employs between 1001 and 2000 people and specializes in high-mix, medium-volume PCB requirements, offering contract manufacturing services. Their comprehensive product portfolio includes single-sided, double-sided, and multilayer PCBs (up to 48 layers), HDI, high-frequency, flex-rigid, IMS, and heavy copper PCBs, as well as metal-backed and RF microwave boards. They also provide PCB assembly services and related components. Sunshine Precision Circuits Co., Ltd is certified with ISO 9001, IATF 16949, ISO 13485, UL, CQC, ISO 45001, ISO 14001, and RoHS compliance. Their PCBs are widely used across industrial, power/energy, telecom, medical, automotive, consumer, home electronic, aeronautics, and military fields, with specific solutions for AI Data Centers, Data Communication, ATE, Robots, Motor PCB Stators, and Thermal Management & High Current applications. The company emphasizes technology, innovation, and R&D, utilizing advanced equipment and offering quick-turn services for prototypes and small to high-volume production.
4 Layers Rigid-Flex PCB
8 Layers Rigid PCB
6 Layers PCB
PCB (10 Layerts)
4 Layers PCB
Flexible Printed Circuit Board
Shenzhen Zhongfeng Electronic Technology Co., Ltd
🇨🇳 China
2003201-300 peopleManufacturer/Service Company
Established brand
OEM manufacturer
ODM manufacturer
Low MOQ
Shipments
1
Key customer
ANALOG DEVICES
Key market
Europe
Description
Shenzhen Zhongfeng Electronic Technology Co., Ltd, also known as ZF Electronic, is a professional one-stop manufacturer and service company based in Shenzhen, China, specializing in PCB fabrication and assembly. Established in 2003, the company has nearly 20 years of experience and operates a factory with 6 SMT lines and 2 THT lines, equipped with MES+ERP+IoT digital management. With 201-300 employees, they offer comprehensive OEM, ODM, and contract manufacturing services, handling projects from prototype to mass production. Their extensive product offerings include various PCB types such as Multilayer, Rigid-Flex, HDI, Aluminum, and Flexible PCBs, alongside PCBA services like SMT, Turnkey, Box Build, and Wire Harness PCB Assembly. They also provide component sourcing and SMT stencil services. Shenzhen Zhongfeng Electronic Technology Co., Ltd serves over 700 global customers across diverse industries including Medical, Aerospace, Military, Automotive, Energy, and Telecommunications. The company is committed to quality, holding certifications such as ISO 9001, ISO 13485, IATF 16949, UL, RoHS, CE, and IPC-A-610E, and exports to international markets.
Rigid-Flex PCB Manufacture & Assembly in Prototype and Mass Production
Multilayer HDI PCB Manufacture and SMT Assembly
Custom Multilayer PCB Manufacture and Assembly by Machine
Aluminium LED Lighting PCB Manufacture and Assembly