we produce 70 million locks and related products annually qingdao golden diamond hardware has become one of mainland china's biggest hardware suppliers with our annual output of 70 million units. this large amount is thanks to the fact that we have seven factories in total where we can fill your lar...

Rongtai hardware product limited is one of the earlist manufactory for producing "stainless steel friction stay hing" in domestic,also is a specialist in building decoration items at home and abroad in hardware prodution industrial. the factory 's "ronglisi"brand won "china quality,reputation and se...