In order to meet the market and customers inquiries, Xiamen Sincery Import & Export Co., Ltd. decises to expand the business of TVS Doides.

ProTek Devices is a leading semiconductor manufacturer of a wide range of highperformance TVS protection, analog and mixed-signal products. With over 20 years of engineering and manufacturing experience, ProTek Devices offer application specific solutions for all electronic equipment and systems.

ProTek Devices devote to TVS in military area, and after founding in 1922, it is the biggest TVS manufacture in USA Military area. Then it expanded business in industry, automotive and medical area. Up to now, it had gain below sucession:

• Acquired General Semiconductor, Inc.-Tempe Operation from the Square D Company
• Owned & operated by former GSI management
• Continue to offer high quality military and commercial TVS assemblies and components
• Globally acknowledged leader in TVS technology
• Many product “firsts” and patented products

Sincery stars cooperation with ProTek Devices in Oct.2018 and became its official distributor in March 2019. Almost customers require lower price and best quality for TVS protection, and ProTek can meet both conditions. Sincery will always try its best to offer superior service for all of the customers.