Ningbo OuKaiLuo Hardware Co., Ltd, established in 1999,has been a leading manufacturer & supplier of fasteners with a history of product and service over 14 years. This commitment has not wavered because complete customer satisfaction is still our No.1 priority. As a professional and integrative fastener maker, OKL combines scientific research, production and sales as a whole in China. Enjoying a full set of advanced production equipment & complete quality measurement system, we mainly ...   |