Ningbo Zhongjiang High Strength Bolts

Ningbo Zhongjiang High Strength Bolts Co., Ltd is a professional fastener manufacturer and exporter of China fastener, also is one member of China Fastener Association. We are proficiently engaged in manufacturing various kinds of high strength bolts, nuts and thread rods with a yearly capacity of *0, **0 tons and an annual turnover of **0 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 both at home and abroad because of the fine quality of our products and our good credit. Ningbo Zhongjiang High Strength Bolts Co., Ltd covers an area of *0, **0 *****, with building area of *0, **0 *****. We boast more than **0 staff and workers, including *5 manageri staff and 2 senior engineers with the National Grade III Certificate of Physical Test and Chemical Analysis, who are responsible for monitoring the quality of the products we produced and improving the process of heat treatment. The company is fully equipped with over **0 equipments, and about *0 of them are examination devices. To perfect the quality of our products, we imported a vortex durometer from Germany to carry out **0% hardness test of our products. While we apply a large scale vortex flaw detector to detect the crack flaw in the stud bolts, we use an imported direct-read spectrograph to verify the chemical composition of raw materials. We have received ISO***1: ***0 and been granted CE Certificate by the Lloyd's Register. Our companys quality management system is approved by Aramco Overseas Company B.V. (Shanghai) on June *8, ***9. With standard management, advanced and mature process techniques and reliable quality control system, we believe that we will create a bright future together. Contact Now