SafeGrand is an international developer and solution provider of high-quality electronic control systems, Pinch Solenoid Valves Wireless Dynamometers. Previously, we were dedicated to enhancing people's way life by increasing their sense security. Our easy-to-use innovative ...

-who we are Oo-t(operator of technologies), a world class designer, manufacturer & exporter optical communication products, electronic equipment and other related products. -what do We were born to create. We explore your life, design the future, are here provide you high quality ...

We are one of the professional batteries manufacturer. Main products are 1. Lithium thionyl chloride cells (er14250 er14335 er14505 er18505 er17335 er26500 er34615 era9v) and 2. manganese dioxide (cr123a cr14250 cr2 cr14335 cr14505 cr17450 crag cr17505 cr18505 cr26500 cr34615 cr9v ...