Ningbo Zhenhai Dingli Fastener Screw Co., Ltd. was established in the year 1998 and stands in a beautiful and rich coastal city: Ningbo. Ningbo is located on the south of the Yangtze River Delta, with the great Beilun Harbor in the east and Hangzhou Bay in the north; while it is near to Lishe Airport and Xiaoshan International Airport, Hangzhou-Ningbo Expressway passes by it: it enjoys convenient transportation. 

Ningbo Zhenhai Dingli Fastener Screw Co., Ltd. is a professional fastener manufacturer and exporter union. We are proficiently engaged in manufacturing various kinds of high strength bolt, nut and thread rod which are applied in Oil&Gas Industry, Steelwork Construction, Electric&Machinery Industry, with a yearly capacity of 15,000 tons and an annual turnover of 200 million Yuan.

Our products include standards of ANSI/ASTM, DIN, BS,ISO, GB, JS, etc, which are mainly applied to the fields of high strength tight firmware and petroleum pipes' valve. Our products are mostly exported to Europe, North America, the Middle East and Southeast Asian countries and regions. We receive great acclaim from our clients at home and abroad because of the fine quality of our products and our good credit.

Ningbo Zhenhai Dingli Fastener Screw Co., Ltd. covers an area of 30,000 sq.m, with building area of 20,000 sq.m. We are fully equipped with over 100 production equipments and 20 examination devices. To perfect the quality of our products, we imported a vortex durometer from Germany to carry out 100% hardness test of our products. While we apply a large scale vortex flaw detector to detect the crack flaw in stud bolts, we use an imported direct-read spectrograph to verify chemical composition of raw materials.