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. Enjoying a full set of advanced production equipment & complete quality measurement system, we mainly specialize in screws, rivets, cold heading parts, stamping parts etc. Moreover, OEM service is also available. We have passed ISO9001:2008 international quality management system certification and our products are totally in line with ROHS standards. So they are in great demand not only in China but also in US, Europe, Oceanic and South America.