For over a decade, designing and manufacturing innovative products has been the core of our business. We have three factories in China, including an electronic component manufacturing plant, an alloy materials plant, and an electron beam welding equipment facility. We are expanding our internal operations—built on years of reliable manufacturing expertise—to ensure the supply of products our customers need, delivered at the time and place they require.
We have core R&D teams from leading domestic and foreign companies such as Yageo Electronics, Dayi Electronics, Huade Electronics, AEM, Littelfuse, etc., and make strategic investments in the research and development of current sensing resistors and circuit protection products to meet the product needs of customers in the next few decades.
We have passed the ATF16949 automotive regulatory system and have REACH and other certificates. Legal and compliant operations mean that PROSEMI is committed to maintaining high standards in the automotive industry for a long time, providing consistent high-quality products and services and commitment to environmental responsibility.
We have not only broken through the bottleneck technologies in many manufacturing processes, but also broken the monopoly of Germany, the United States and Japan in high-end model series (such as high-power alloy CSR products), becoming one of the few companies in the world with three different technology platforms and a diversified product series.
Our compliance with REACH, RoHS, UL, VED and HF standards ensures that PROSEMI products are safe and environmentally friendly, and we work with you to reduce hazardous substances in electronic products worldwide.
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Basic information: 4000m ², Building 9, Phase 1, Liandong U Valley, Shengpu Street, Industrial Park
Production products: current sensor resistors, overcurrent protection, overvoltage protection
Basic information: 5500m ², Shangyi Science and Technology Park, Chashan Town, Dongguan City, Guangdong Province
Production products: Electron beam welding equipment, electron beam welding of metal materials and products, welding services
Basic information: 6800m ² (Phase I), Jiaxing Nanhu Science and Technology City, with an estimated investment of 30 million yuan in fixed assets investment
Production products: alloy new materials, high-end equipment and services for electron beam welding, expected to be officially put into operation in the third quarter of 2025
Over 80% Shunt Welding market share in CSR EBW strips (0.1-5mm) in China
EBW strips Thinnest in the word(<0.3mm,minimum to 0.1mm)
Expanding our production capacity in plants#1
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