Ningbo Zhongjiang High Strength Bolts Co., Ltd.

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Ningbo Zhongjiang Petroleum Pipes & Machinery Co., Ltd.

🇨🇳 China

1998

301-500 people

Manufacturer/Trading Company

Established brand

OEM manufacturer

Low MOQ

Industry association member

Shipments

Key customer

LGC US ASSET HOLDINGS

Key market

North America

Description

Ningbo Zhongjiang Petroleum Pipes & Machinery Co., Ltd., established in 1998 in Ningbo, China, is a manufacturer and trading company specializing in high-strength fasteners and petroleum pipes machinery parts. The company operates a 50,000 sq. meter factory facility and employs over 500 people, including 35 engineers. With a yearly production capacity of 40,000 tons and an annual turnover of 500 million Yuan, they are a leading supplier in the fastener industry. They specialize in manufacturing threaded rods, stud bolts, hex bolts, and hex nuts, adhering to international standards such as ANSI/ASTM, DIN, BS, ISO, GB, and JS. Their products, including ASTM A193 B7, ASTM A193 B7m, and ASTM A320 L7, are primarily used in high-strength tight firmware and petroleum pipes' valve applications. Ningbo Zhongjiang Petroleum Pipes & Machinery Co., Ltd. is ISO 9001 and CE certified, and exports to markets including North America, Europe, the Middle East, India, and Southeast Asia. The company is equipped with over 350 production machines and 50 examination devices, including imported vortex durometers and direct-read spectrographs, ensuring high-quality products through rigorous testing and quality control processes.

Threaded Rods and Nuts (XYLAN COATING)

Threaded Rods and Nuts

ASTM A320 L7, L7M Threaded Rods

Threaded Rods ASTM A193 B7, B7M, B16/ A320 L7/L7M

Threaded Rods

STUDS - Threaded Rods

Hexagon Head Bolt

Stud Bolts / ASTM A320 L7/L7M (XYLAN COATED)

Stud Bolts & Hex Bolts (Dacromet Coating)

Stud Bolts & Nuts, ASTM A193 B7 / ASTM A194 2H

Anhui Changjiang Fasteners Co., Ltd.

🇨🇳 China

2005

51-100 people

Manufacturer/Trading Company

Established brand

High-tech enterprise

Own brand

Industry association member

Key customer

FOSHAN NANHAI WASTE INCINERATION POWER PLANT NO1

Key market

South America

Description

Anhui Changjiang Fasteners Co., Ltd. is a leading manufacturer and trading company based in Lu'an, China, specializing in high-strength bolts and steel structural accessories. Established in 2005 as a wholly-owned subsidiary of Changjiang Jinggong Steel Structure (Group) Co., Ltd. (Stock Code: 600496), the company operates a 40,000 m² factory and employs 51 to 100 people. They are recognized as an industry leader in producing and selling high-strength bolts for steel structures, with a registered capital of 50 million. Their extensive product portfolio includes hexagon head bolts, Torshear type bolts, stud bolts, weather-resistant bolts, anchor bolts, and lock bolts, designed for applications in construction, bridges, railways, automotive, power plants, and petrochemicals. Anhui Changjiang Fasteners Co., Ltd. offers OEM and ODM services and holds certifications including ISO 9001, ISO 14001, and CE, alongside national recognitions such as "Chinese Well-known Trademark" and "High-tech Enterprise." Their products have been utilized in prestigious projects like the Hong Kong-Zhuhai-Macao Bridge and the National Stadium (Bird's Nest). The company is actively developing advanced bolt technologies, including those with delayed fracture resistance and compliance with international standards (British, USA, German, Japanese).