... Hardware Facotry are one of the hardware manufacturers in China. It was located in Jinli Town Gaoyao City ... Province , China . Was founded in 1993. We are engaged in Benli Brand , Diutauduct Brand and Gaobofei Brand of floor Spring , Glass ... and a series of door control products. Packing: All floor spring have been tested over 50,000 times ,we ensure the ... best to meet every client's need! Floor Spring