International Standards

Our high-strength bolts and nuts comply with DIN, ANSI/ASME, JIS, UNI, ISO, AS, BS, and GB, ensuring global compatibility and reliable performance in bridges, pipelines, wind power, and steel structures.
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Diverse Selection

Carbon steel bolts from class 4.8 to 12.9, nuts grades 4–10, plus stainless steel 201/304/316. Versatile solutions for diverse strength and corrosion resistance requirements across heavy industries.
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Strategic Logistics

Located on the Hangjiahu Plain near Shanghai, Ningbo, and Zhapu ports, we offer exceptional shipping efficiency for global trade, reducing lead times and costs for international customers.
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Who are we?

Professional carbon steel bolt and nut manufacturer

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We do not compromise with quality

Jiaxing City Qunbang Hardware Co., Ltd. is a full-cycle fastener solution provider, covering product development, manufacturing, sales, and technical support.

The company is strategically situated in the Hangjiahu Plain, with convenient access to the international gateways of Shanghai, Ningbo, and Zhapu ports. This prime location offers exceptional logistical advantages for global trade...

QUNBANG HARDWARE

Why Choose US？

Powering your business for over 10 years

Reliable lead times, technical support, and customized solutions for every project.

Certified Quality Assurance

SGS & TUV partnerships; every batch includes traceable certificates for full compliance and peace of mind.

End-to-End Technical Support

From development to on-site assistance, fast professional responses ensure seamless project integration.

CALL US (TOLL FREE)

+86 573 8207 1082

What we do？

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