Ningbo Zhongli Bolts Manufacturing Co., Ltd., established in 2003, which is a professional manufacturer of high-strength fasteners.We supply superior quality bolts in various standards and grades. the products include DIN standard bolts, ANSI standard bolts, ISO standard bolts and GB Chinese standard bolts,and it's grade includes 8.8, 10.9, 12.9. These products are exported to America, Middle East,Asia and other countries and regions.

Currently, our factory and storage cover 10,000 square meters and include 8 sets of cold header machines, 4 sets of hot forging machines, 1 set of Microcomputer Hydraulic Universal Testing Machine, 2 set of Rockwell hardness testing machine . We carry out ISO9001 in every process of production.

Contact us and you will get more information.