Ningbo Dongxin High-Strength Nut Co., Ltd. is a premier manufacturer and trading company based in Ningbo, China, specializing in the production of high-strength fasteners for heavy industrial applications. Established in 1992, the company has grown into a modern manufacturing enterprise with a workforce of 200 to 300 employees and advanced facilities featuring automatic production lines and three-dimensional warehousing. As of 2024, the company continues to expand its production capacity with the launch of new factory facilities.
The company's extensive product portfolio includes a wide range of bolts, nuts, studs, threaded bars, and washers, adhering to international standards such as ASTM, DIN, ISO, BS, and JIS. Key specializations include ASTM A194 2H/2HM heavy hex nuts, ASTM A193 B7/B7M/L7 stud bolts, and various structural fasteners. These products are engineered for demanding environments in the oil and gas, petrochemical, wind power, heavy engineering, and construction industries.
Ningbo Dongxin is recognized for its commitment to quality and traceability, maintaining a comprehensive suite of international certifications including ISO 9001:2015, ISO 14001, ISO 45001, API-20E (BSL-1 and BSL-2), CE (EN 14399 and EN 15048), and ASME. With over 30 years of experience, the company has established a robust global presence, exporting to major markets in North America, Europe, the Middle East, and Asia. They offer both OEM and ODM services under their proprietary "DX" brand, serving a prestigious client base that includes major industrial distributors and fastener specialists worldwide.
Gr 8 Or10 Nut
2H Nut
Nuts (B7 BOLTS+2H)
Heavy Hex Nut
Heavy Hex Nut (A563)
Heavy Hex Nut-Black Nut (DIN6915)
A194 2H HEAVY HEX Nuts -45# Steel Bolt Nut with Hot Dip Galvanized and Zinc Finishing (2H/2HM)
Zinc Hex Nut (DIN 934)
Heavy Hex Bolt
Heavy Hex Nut, A194 2H Nuts
Metric Coarse and Fine Pitch Thread, Product Grades a and B, Hexagon Slotted Nuts, Castle Nut$0.01
Hex Lock Nut High Strength Nuts with Factory Price$0.03
Haiyan Dexin Hardware Products Co., Ltd.
🇨🇳 China
1980101-200 peopleManufacturer/Trading Company
Established brand
Shipments
70
Key customer
BIM CONSTRUCTION MATERIALS
Key market
🇻🇳 Vietnam
Description
Haiyan Dexin Hardware Products Co., Ltd., also known as Deli-Newdexin Hardware Products Co., Ltd., is a manufacturer and trading company based in Jiaxing, China, specializing in industrial-grade fasteners. Established with roots dating back to the early 1980s and formally founded in 2011, the company operates a 10,000 square meter state-of-the-art facility and employs between 101 and 200 professionals. They are a contract manufacturer with ISO 9001 certification, emphasizing precision measurement and expert craftsmanship. Haiyan Dexin Hardware Products Co., Ltd. specializes in custom and non-standard stainless steel fasteners, offering a comprehensive range including hex head bolts, carriage bolts, U-bolts, stamping parts, self-tapping screws, nylon insert lock nuts, hex flange bolts, wood screws, socket cap screws, weld studs, machine screws, flange nuts, eye bolts, and anchor screws. They also provide carbon steel products. Their products comply with global standards such as GB, JIS, DIN, and ANSI/ASME, and are widely used in industries including construction, shipping, high-speed rail, solar energy, electromechanical, deep-sea operations, marine, automotive, aerospace, nuclear power, wind power generation, and food machinery. The company exports to international markets including North America, Europe, Japan, and Australia, with a fully-owned trading company established in 2024 to expand global reach.
DIN En 1665 Hex Flange Bolts in A2-70 Stainless
M6-1.0*16 Phillips/ Slot Hex Head Screw in 304hc
304 Stainless Butterfly Wing Screw /Bolts
Customized Cheese Slotted Machine Screw in Stainless Steel
JIS B1180 Hexagon Head Bolts in 304 Stainless
SS304 Fine Pitch Threaded Flange Screw
A2/Ss 304 Socket Cap Screw in ANSI B 18.3-1986
High Quality SS304 GB5783 Hex Head Bolts Directly From Manufacture
Hex Cap Screw Assembled with Lock Washer with External Serrated Teeth in Stainless
High Quality Hexagon Washer Head Self-Tapping Screw in Stainless