Which includes : Gaopin Door hardware factory & Gaopin Tion door hinge factory As a professional manufacturer engaged in the research, development, production, sale and service of door hardware, such as door hinge, butt hinge, concealed hinge,door stopper,? pull handle, tube lever handle, solid lever handle, lever handle on rose & plate, window handle, door lock, flush bolt, house numbers & signs, glass hinge, etc.
All our products follow up the international standard of EN/CE, UL, ANSI/BHMA, In order to guarantee quality, from raw material to processing, from assembling to product inspection, we have constituted strict quality control systems. At the same time, in order to well inspect products, we are design and introduce sufficient inspection equipment.