High Precision Grinding Cooperation Reached Between DTECH and ZDT –

Dongtai High-Technology and ZDT Holding Sign Strategic Cooperation Agreement

Shenzhen/Taiwan, [Date] – ZDT Holding (4958-TW) and Guangdong Dongtai High-Technology Co., Ltd. (“Dongtai High-Technology”, 301377-SZ) have signed a landmark strategic cooperation agreement at the Pengding Times Building in Shenzhen. Mr. Shen Qingfang, Chairman of ZDT Holding, and Ms. Wang Xin, Chairman of Dongtai High-Technology, attended the signing ceremony.

The two parties have agreed to establish a comprehensive strategic partnership. This collaboration aims to jointly promote end-customer development, cutting-edge technology research, material performance enhancement, and environmental protection initiatives. Furthermore, they will deepen cooperation in smart manufacturing, corporate governance, and ESG (Environmental, Social, and Governance).

Ms. Wang Xin, Chairman of Dongtai High-Technology, stated: “As a leading player in the global PCB industry, ZDT Holding possesses profound technological strength and consistently leads industry development with an open and cooperative attitude. Dongtai High-Technology is honored to join hands with such an industry leader. Through this powerful alliance, we aim to enhance service value for global customers and unlock more possibilities for the electronics circuit industry. In the future, Dongtai High-Technology will continuously improve its R&D and manufacturing capabilities through deep industrial chain collaboration. We will provide customers with superior solutions and use this strategic partnership as an opportunity to further strengthen our competitiveness and market share in high-end fields and key markets.”

Mr. Shen Qingfang, Chairman of ZDT Holding, commented: “Dongtai High-Technology is a leading manufacturer in the global PCB micro-drill industry. They have accumulated rich manufacturing experience and possess strong independent R&D and market expansion capabilities—core competencies highly valued by ZDT. Through this partnership, we will integrate our respective resource advantages to jointly develop and expand target markets, enhancing market influence and brand image. By launching comprehensive cooperation in tools, automation equipment, and other fields, we will leverage our respective technological strengths and innovation capabilities to drive industry progress and explore new opportunities.”

About Dongtai High-Technology
Established in 2013, Dongtai High-Technology (Stock Code: 301377) specializes in the R&D, production, and sales of precision cutting tools, polishing materials, intelligent CNC equipment, and functional film materials. These products are widely used in the PCB, 3C electronics, and automotive industries. The company focuses on high-end precision manufacturing to create maximum value for customers and promote global industrial development. According to Prismark statistics, Dongtai High-Technology has experienced rapid growth and continuous expansion, capturing 30% of the global market share in the first half of 2025 to become one of the world’s largest drill bit suppliers. For more information, please visit: https://www.dtechs.cn/.

About ZDT Holding
ZDT Holding (Stock Code: 4958) primarily engages in the R&D, production, and sales of a wide range of products, including flexible circuit boards (FPC), modules, Substrate-like PCBs (SLP), High-Density Interconnects (HDI), high-layer-count PCBs, multi-layer rigid boards, and IC substrates. These products serve various sectors, including computing, consumer electronics, networking, automotive electronics, AI server high-speed computing, optical modules, and medical devices. The company provides customers with a comprehensive “one-stop” solution. According to the Prismark ranking of global PCB companies by revenue, ZDT has ranked as the world’s largest PCB manufacturer for nine consecutive years from 2017 to 2025. For more information, please visit: www.zdtco.com.