Ningbo Zhenghai Yongding Fasteners Manufactur Co.,LTD, founded in 2007, is located in ningbo zhenhai jiulong lake, covers an area of 16000 square meters, construction area of 13000 square meters.
We mainly produce high strength hex bolt, teeth, double screws and other non-standard special-shaped products. Main production standards are Chinese standard (GB), American standard (ANSI), Germany standard (DIN), British standard (BS), Australian standard (AS), international standard (ISO), etc. Bolt level including:
6.8； 8.8； 10.9； 12.9， A325, A490, A394, A449；Article teeth level including B7; B7M; About the L7M and B16. Production range: 5/16 ", 4 "diameter, M8 - M100 approximately; 16-6000 mm in length. More than 6000 tons/year production capacity of bolt, the tooth is more than 10000 tons/year. Now our products have been exported to Europe and the United States, southeast Asia, the Middle East and other places.
The company all kinds of production equipment has reached more than 100 Taiwan (sets), the main equipment are: all kinds of heat treatment line, red type bolt line, multi-station cold heading equipment and screw thread rolling equipment. Testing equipment, has reached more than 20 Taiwan (sets), test equipment including: 100 tons and 60 tons tensile machine, impact testing machine, metallographic spectrometer, flaw detector, hardness tester, and twisting machine and so on. Product quality has passed ISO9001-2008 quality management certification system. The company has advanced production management, for all products to strictly control, to be able to trace each batch products.
"Choose yong ding, choose rest assured" is the company's eternal purpose. Provide customers with the best, the most reliable products and services has been our goal. Warmly welcome customers at home and abroad calls letter to inquire.