Ningbo Zhenhai Xiaoli Fasters Co., Ltd., situated in Ningbo fasterner production base, is a professional manufacture of various of hex bolts and special parts. The main standards of product are ANIS, DIN, BS, GB and ISO. Diameter of the inch products is 1/2"-11/4"with tensile strength Gr2-Gr8, and M12-M30 for the metric products covering the tensile strength Gr4.8-Gr10.9.Surface treatment products are including black, zinc plated, hot dip galvanized, phosphated Ect.The products are mainly for machinery manufacturing, projects maintaining, construction, bridge, and Auto industry. Welcome buyers all over the world to create a bright future together!