HUAHUO METAL-TECH
Precision-engineered fasteners trusted globally. ISO9001 certified manufacturer of hex nuts, locknuts, welding nuts, and custom solutions.
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Precision-engineered fasteners trusted globally. ISO9001 certified manufacturer of hex nuts, locknuts, welding nuts, and custom solutions.
HUAHUO METAL-TECH.,LTD is a leading manufacturer of industrial fasteners located in Haiyan, China — strategically positioned between Shanghai, Ningbo, and Hangzhou ports for seamless global logistics. With advanced equipment, a professional team, and a commitment to quality, we’ve earned a strong reputation in international markets.
Our mission: "Up to the faith, through the world, win the future."
Compliant with GB/T19001-2016/ISO9001:2015 standards
Exporting to North America, Europe, Asia, and beyond
High-strength, precision-manufactured fasteners for industrial, automotive, construction, and machinery applications.
Integrated washer design for even load distribution. Ideal for automotive and structural applications.
Standard six-sided nuts in various grades and finishes. Compatible with ISO, DIN, and ANSI standards.
Vibration-resistant with nylon locking ring. Prevents loosening in dynamic environments.
Domed top for aesthetic finish and protection against corrosion and tampering.
Designed for spot welding to metal sheets. Used in automotive frames and enclosures.
Hand-tightenable with winged sides. Ideal for frequent assembly/disassembly.
Custom-designed fasteners to meet unique engineering requirements and drawings.
High-tolerance components for aerospace, medical, and electronics industries.
Engineered for excellence, built for the world.
Quality management system ensures consistent product excellence.
Strategic location near Shanghai and Ningbo ports enables rapid global shipping.
Dedicated support and tailored solutions for every client’s needs.
Capable of producing non-standard and OEM fasteners from your designs.
Nylon insert locknuts are designed to resist vibration and prevent loosening in dynamic environments. They are commonly used in automotive, machinery, and transportation industries.
Yes, we specialize in non-standard and custom fasteners. Provide your drawings or samples, and we’ll produce to your exact specifications.
We are certified under GB/T19001-2016/ISO9001:2015, ensuring our quality management system meets international standards.
Standard orders ship within 15-20 days. Custom orders may vary based on complexity. We’ll provide an accurate timeline during quotation.
Yes, we provide free samples for evaluation. Contact us with your requirements and shipping address.
Ready to partner with a trusted fastener manufacturer? Reach out today.
Email: [email protected]
Phone: +86-573-86087382
Fax: +86-573-86087381
Address: Pufa Center, No.2 Shengjie Bridge, Wuyuan Town, Haiyan, China
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