Ningbo Zhenghai YongDing Fastener Co., Ltd. was established in 2007. It is located on the shore of Jiulong Lake in Zhenhai, Ningbo, covering an area of ​​16,000 square meters, including a construction area of ​​13,000 square meters.

Our company mainly produces high-strength hexagon bolts, stud bolts / studding, studs and other non-standard shaped parts. The production standards are mainly Chinese standards (GB), American standards (ANSI), German standards (DIN), British standards (BS), Australian standards (AS), international standards (ISO), etc.

Bolt level including:

8.8； 10.9； 12.9， A325, A490, A394, A449, etc.

Stud bolts /studding level including B7; B7M;L7; L7M and B16.
Production range: 5/16 "-- 4 ", M8 - M100 approximately in diameter; 16-6000 mm in length.

The production capacity is more than 6,000 tons / year for bolts, and more than 10,000 tons / year for stud bolts / studding. Now our products have been exported to Europe, America, Southeast Asia, Middle East and other places.

The company's various production equipment has reached more than 100 units (sets), and its main equipment includes: various heat treatment production lines, red bolt production lines, multi-station cold heading equipment and thread rolling equipment. The testing equipment is complete and has reached more than 20 sets (sets). The testing equipment includes: 100 tons and 60 tons tensile machines, impact testing machines, metallographic spectrometers, flaw detectors, hardness testers, and torque machines. Product quality has passed ISO9001 ~ 2015 quality management certification system. The company has advanced production management, strictly controls all products, and can trace each batch of products.

"Choose Luding, choose to rest assured" is the eternal purpose of the company. To provide customers with the best and most reliable products and services has always been our goal. We warmly welcome customers at home and abroad to call us for more information.