Sanlin Metals products Co., ltd is a factory with 30 years manufacturing experience in fasteners. Zhejiang Redstone Imp. & Exp. Co., Ltd. is a the scale enterprise with capacity of research & development, design, manufacturing and salse. Our plant covers an area of more than 50000 square meters in total. We have set up factories in Wenzhou, Jiaxing, and Suzhou. We mainly produce Brass, carbon Steel, Stainless steel nuts, bolts, washers and other special-shaped pieces. We comprehensively carry out ISO9001 quality management system and ERP management system to improve management efficiency. And we introduced advanced production equipment and many measuring instruments and test equipment, strict and effective control of product quality. Our products are mainly exported to Europe, US and Asia. In the multi-market situation, Sanlin will be in the principle of being survival by quality, being development by credit standing, and be willing to join hands with customers in creating a better tomorrow!</p>