Ningbo Zhongli Bolts Manufacturing Co., Ltd.

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Ningbo Zhonglian Fastener Manufacture Co., Ltd.

🇨🇳 China

1990

301-500 people

Manufacturer/Trading Company

Established brand

OEM manufacturer

ODM manufacturer

Own brand

Shipments

Key customer

TORCSILL FOUNDATIONS

Key market

🇺🇸 United States

Description

Ningbo Zhonglian Fastener Manufacture Co., Ltd. is a leading Chinese manufacturer and trading company specializing in a comprehensive range of fasteners. Established in 1990, the company has over 35 years of experience and operates a 50,000 square meter factory in Ningbo City, Zhejiang Province, employing between 301 and 500 people, including 12 senior engineers. They offer OEM and ODM services, producing high-quality bolts, nuts, washers, threaded rods, and screws. Their product lines include general fasteners and application-specific fasteners for industries such as silo storage, construction, steel structures, ships, petrochemical pipelines, storage tanks, pump valves, agricultural machinery, and furniture. Products adhere to international standards including ISO, DIN, ANSI, ASTM, AS, JIS, GB, BS, and UNI. The company is certified with ISO 9001 (CQC and Moody International), ISO 14001, EN14399CE, and EN15048. With an advanced 'wise' production and logistics system, nearly 100 automatic cold forging equipment, 6 hot forging lines, and 4 fully automatic heat treatment lines, they have a monthly production capacity of up to 2500 tons. Ningbo Zhonglian Fastener Manufacture Co., Ltd. has a broad international presence, exporting to over 80 countries across Europe, America, the Middle East, Southeast Asia, Russia, and Africa, with regional service institutions in Hungary, Dubai, Malaysia, and the UK.

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Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd.

🇨🇳 China

1998

101-200 people

Manufacturer

Established brand

OEM manufacturer

Product customization

Eco-friendly supplier

Shipments

Key customer

MANNHEIM

Key market

North America

Description

Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd. is a professional manufacturer and exporter specializing in high-strength fasteners, established in 1998 and headquartered in Ningbo, China. Operating from two specialized plants for hot and cold forging, the company maintains a significant production capacity of 15,000 tons annually. They serve critical global sectors including Oil & Gas, Petrochemical, Power Stations, Steelwork Construction, and the Automotive industry. Their extensive product portfolio features high-strength bolts (hex, structural, and foundation), nuts, threaded rods, stud bolts, shear studs, and specialized screws such as set screws and socket cap screws. These products are manufactured in various material grades, including A193 B7/B8, A320 L7, and A325, adhering to international standards such as DIN, ANSI/ASME, ISO, BS, and JIS. With a workforce of approximately 100 to 200 employees, the company provides comprehensive OEM and ODM services, offering both standard and non-standard fasteners based on custom drawings. Ningbo Zhenhai Dingli is committed to quality and environmental management, holding certifications including ISO 9001, ISO 14001, ISO 13485, and BSCI. Approximately 90% of their production is exported to international markets across North America, South America, Europe, the Middle East, and Southeast Asia.