Keyi Metal Manufacturing Co., Ltd. main produce all kinds of hardware accessories for window and door. we combine production and sales together. we have more than 9 years of experience to export our products to oversea markets, Covering more than 50 countries & areas all of the world. We are family business group, specializing in manufacturing stainless steel window hinge / friction stay, casement handle and lock, floor spring/floor hinge, glass door clamp / Patch Fitting, Door Closer , ...   |