Cebter Bolt and Nut fastener Grade: 12.9, 10.9, 8.8 Size: M12~M32 Certificate: ISO/TS16949:2009 We are one of the top manufacturers of Leaf Spring,  U-bolt, and Center Bolts in China:With 6 product lines and 500 workers, our annual capacity is 60 thousand tons.80% of the production are for OEM customers and left for export. We have professional engineers to measure sample and make drawings.We have complete labs to inspect the products from raw material to finished assembly.We passed the ISO/TS 16949:2009 Certificate by TüV Rheinland Group German.

Cebter Bolt and Nut fastener