Chaush AND Sumkey are our brand of Shenzhen Tongzhenhui Electronics Technology Co., Ltd,which is a professional manufacturer in the various mouse keyboard,usb kits and usb hub. Chaush brand developed and registered on 2009,Sumkey brand developed and registered on 2010.Our main products include 2.4G wireless mouse,optical mouse,novelty mouse,gift mouse,USB KITS,usb hub and keyboard .we will develop computer peripherals each month for our old customer.



We have an efficient management system, a spacious and static electricity protection workshop, advanced manufacturing...