Shanghai Zinsn Industrial manufactures premium carbon steel and stainless steel screws — engineered for construction, manufacturing and infrastructure projects across 50+ countries.
From wood-frame construction to roofing systems, our portfolio is engineered for the realities of the job site. Every screw is heat-treated, plated and quality-checked to international standards.
Pozi & Phillips drive, white / yellow zinc, DIN 7505. Optimized for particleboard, MDF and softwood.
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Bugle head, fine and coarse thread, black phosphate or Magni. Hi-Lo and self-drilling tip variants.
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Tek screws for sheet metal, hex washer head, EPDM bonded washer. DIN 7504K compliant.
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Color-matched heads, sealing washer, weather-resistant coatings for steel & metal roof panels.
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Pan, truss and countersunk heads. Form their own thread in metal, plastic and timber.
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Hex washer head and hex flange Torx-drive wood screws. M6–M20, 35–200 mm, zinc plated. Heavy-duty timber fastening.
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Headquartered in Xuhui District, Shanghai, with manufacturing operations in Haiyan, Zhejiang — at the heart of China's fastener industry — Zinsn combines two decades of metallurgical know-how with a relentless focus on dimensional accuracy and finish quality.
Our integrated facility runs cold-heading, threading, heat-treatment, plating and packaging in-house — so we control every step of the chain, from steel wire to the carton at your dock.
Our Story →Multi-station headers and rolled threads deliver consistent diameter, pitch and head geometry across high-volume runs.
Mesh-belt furnaces, controlled carburizing and quench cycles give the right hardness and torsional strength for every grade.
White zinc, yellow zinc, black phosphate, ruspert, magni and color coatings — application-tuned corrosion protection.
Optical sorters, torque testers and salt-spray cabinets inspect every batch before it leaves the line.
Bulk cartons, brown boxes, plastic tubs or fully branded retail packs — printed in your label, your sizes.
FOB Shanghai or Ningbo, with door-to-door support to Europe, the Americas, Africa, Middle East and Oceania.
From the lumber yards of North America to the construction booms of Latin America and the Middle East, our fasteners support contractors who can't afford a callback. Local stocking partners and full container loads — we ship the way that suits your business.
