The Berliner Glas Group is one of the leading European providers optical key components, assemblies and systems as well high-quality refined technical glass. With our understanding production techniques, we develop integrate optics, mechanics ...

Golden Root Co., Ltd. had been established since 1989, is specialized engaging in OEM to produce many kind of power bits, LED flashlight, working light, and supplier the hexagonal wrench. By continuously cooperation with Europe, Asian, American various ...