By 2026, HDI demand has surged—driven by 5G handsets, AI/datacenter acceleration and EV electrification—after supply‑chain normalization post‑COVID. Shenzhen remains a manufacturing hub; manufacturers are expanding advanced substrate capacity and automation to meet tightened lead times and premium PCB pricing, positioning for continued high‑single to double‑digit growth.
Unimicron Technology Corporation
- Location: Daxi, Taoyuan City, Taiwan (headquarters); major fabs in Taiwan and China, global sales offices.
- Company type: Electronics manufacturing — PCB and IC substrate producer.
- Year founded: 1990
- The number of employees: approx. 300
- Main product: HDI multilayer PCBs, rigid-flex boards, IC substrates.
- Key Focus: High-volume HDI for smartphones, wearables, data center and automotive applications.
- Company's official website: https://www.unimicron.com
- Profile: Unimicron is Taiwan’s largest PCB/IC-substrate group, with broad global customers and significant R&D and capacity investments. It leads in high-density, high-layer-count solutions and serves major OEMs in mobile, computing and automotive markets.
- Products and Products and Business: Manufactures HDI, rigid-flex PCBs and IC substrates; offers design, prototyping and high-volume manufacturing for consumer electronics, telecom and automotive sectors.
Zhen Ding Technology
- Location: Tainan / Taipei, Taiwan (headquarters) with major production sites in China (Kunshan).
- Company type: Electronics manufacturing — PCBs and HDI.
- Year founded: 1997
- The number of employees: approx. 200
- Main product: HDI multi-layer PCBs, rigid-flex, IC-substrate-related boards.
- Key Focus: HDI for smartphones, consumer electronics and automotive; scale production for global EMS customers.
- Company's official website: https://www.zdte.com
- Profile: Zhen Ding is a major Taiwanese PCB supplier with strong HDI capabilities and large-scale manufacturing in China. It supplies tier‑1 smartphone and electronics OEMs and has expanded capacity to meet 5G and high-performance computing demand.
- Products and Products and Business: Produces HDI, rigid-flex and specialty PCBs for mobile devices, networking and automotive, plus PCB assembly partnerships.
Compeq Manufacturing
- Location: Tainan, Taiwan (headquarters); manufacturing in Taiwan and China.
- Company type: Electronics manufacturing — PCB/HDI producer.
- Year founded: 1994
- The number of employees: approx. 150
- Main product: HDI PCBs, rigid-flex, FPC, high-layer-count boards.
- Key Focus: High-reliability HDI for smartphones, digital devices and automotive electronics.
- Company's official website: https://www.compeq.com
- Profile: Compeq is a leading Taiwanese PCB supplier with deep expertise in HDI, FPC and thin-core boards. It is a key tier‑1 supplier to global smartphone vendors and pursues advanced materials and process development.
- Products and Products and Business: Offers HDI, FPC, rigid-flex and specialty PCBs plus assembly and testing services for consumer electronics and automotive markets.
AT&S
- Location: Headquarters in Leoben, Austria; major sites in Austria, India, China and Korea.
- Company type: Electronics manufacturing — high-end PCBs and IC substrates.
- Year founded: 1987
- The number of employees: approx. 1000
- Main product: HDI, multilayer PCBs, IC substrates, high-frequency boards.
- Key Focus: High-end HDI for medical, automotive, industrial, mobile and semiconductor packaging.
- Company's official website: https://www.ats.net
- Profile: AT&S is Europe’s leading HDI and IC-substrate specialist, known for high reliability, advanced materials and close collaboration with premium OEMs in automotive and medical segments. Strong emphasis on sustainability and R&D.
- Products and Products and Business: Produces HDI, high-layer PCBs and substrates for automotive, medical devices, industrial equipment and mobile computing.
Ibiden
- Location: Headquarters in Ogaki, Gifu Prefecture, Japan; operations in Japan and overseas.
- Company type: Electronics materials and PCB/IC substrate manufacturer.
- Year founded: 1912
- The number of employees: approx. 100
- Main product: High-density interconnect PCBs, organic substrates
- Key Focus: IC substrates and HDI for advanced packaging, automotive and consumer electronics.
- Company's official website: https://www.ibiden.co.jp
- Profile: Ibiden combines long industrial heritage with advanced printed circuit and substrate technologies. It’s a strategic supplier of IC substrates and HDI solutions to semiconductor and consumer-electronics industries, with robust R&D in materials.
- Products and Products and Business: Supplies HDI PCBs, organic IC substrates and specialty materials for semiconductor packaging, mobile and automotive electronics.
TTM Technologies
- Location: Headquarters in Costa Mesa, California, USA; global manufacturing footprint
- Company type: Electronics manufacturing — PCBs and advanced interconnects.
- Year founded: 1966
- The number of employees: approx. 150
- Main product: HDI PCBs, rigid-flex, RF/microwave and specialty printed circuits.
- Key Focus: Diverse HDI solutions for aerospace, defense, communications, automotive and industrial markets.
- Company's official website: https://www.ttm.com
- Profile: TTM is a major US-based PCB manufacturer with broad product mix and global capacity. It focuses on advanced interconnects, including HDI and RF, serving telecom, aerospace, automotive and industrial customers.
- Products and Products and Business: Provides HDI, rigid-flex, RF/microwave PCBs, manufacturing services and supply-chain solutions for diversified end markets.
South‑Electronic
- Location: Shenzhen, Guangdong, China
- Company type: Electronics manufacturing — PCB fabrication and assembly, specializing in HDI and multilayer boards
- Year founded: 2010
- The number of employees: 100+
- Main product: HDI PCBs, rigid‑flex and multilayer printed circuit boards
- Key Focus: Quick‑turn and medium‑volume HDI solutions for consumer electronics, mobile devices, IoT and automotive electronics
- Company's official website: https://southelectronicpcb.com/
- Profile: South‑Electronic is a Shenzhen‑based PCB manufacturer founded in 2010, focused on HDI and complex multilayer boards for local OEMs and global clients. The company emphasizes rapid prototyping, flexible production runs and close Shenzhen‑era supply‑chain support, expanding capacity to meet mobile and IoT demand.
- Products and Products and Business: Manufactures HDI, rigid‑flex and multilayer PCBs, offering design support, quick‑turn prototyping, small‑to‑medium volume production and board assembly services for electronics manufacturers.
Meiko Electronics
- Location: Kaohsiung / Tainan area, Taiwan ; manufacturing in Taiwan and China.
- Company type: Electronics manufacturing — specialty PCBs and HDI.
- Year founded: 1986
- The number of employees: approx. 300
- Main product: HDI PCBs, rigid-flex, printed circuit assemblies.
- Key Focus: High-density solutions for telecom, industrial and computing customers with emphasis on quality and flexible production.
- Company's official website: https://www.meiko.com.tw
- Profile: Meiko is a Taiwanese PCB maker that focuses on medium-to-high complexity boards and contract manufacturing for telecom and industrial clients, known for quality control and agile production.
- Products and Products and Business: Supplies HDI, rigid-flex PCBs and PCB assembly services for networking, industrial and computing applications.
Tripod Technology
- Location: New Taipei City, Taiwan ; major plants in China.
- Company type: Electronics manufacturing — HDI and PCB producer.
- Year founded: 1991
- The number of employees: approx. 200
- Main product: HDI PCBs, rigid-flex, high-layer-count boards.
- Key Focus: HDI and high-density multi-layer boards for mobile and consumer electronics.
- Company's official website: https://www.tripod.com.tw
- Profile: Tripod is a Taiwanese PCB manufacturer with established HDI capacity targeted at smartphone and consumer-electronics supply chains, expanding capabilities and capacity in response to 5G and miniaturization trends.
- Products and Products and Business: Manufactures HDI, rigid-flex and specialty PCBs, offering fabrication and limited assembly services to electronics OEMs.
Kingboard Holdings
- Location: Headquartered in Hong Kong; major manufacturing operations in China (Shenzhen, Guangdong).
- Company type: Conglomerate — electronic materials, laminates and PCB manufacturing.
- Year founded: 1988
- The number of employees: approx. 20,000–25,000 (2024 est.)
- Main product: PCB laminates, HDI PCBs, printed boards and materials.
- Key Focus: Vertical integration across laminates, chemicals and PCB production for global electronics manufacturing.
- Company's official website: https://www.kingboard.com.hk
- Profile: Kingboard is a major Asian conglomerate supplying laminates and PCBs with strong vertical integration. It supports global electronics supply chains with material-to-board capabilities and large manufacturing scale.
- Products and Products and Business: Produces PCB laminates, HDI and conventional PCBs, plus related chemical materials and downstream PCB services.
As HDI demand accelerates through 2026, choose a partner that balances speed, quality and scale. South‑Electronic provides advanced HDI manufacturing, strict quality control and rapid prototyping for mobile, IoT and automotive projects. Ready to start? Email inquiry@southelectronicpcb.com to discuss quotes and lead times.
