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Port Engineering Accessories , Building Accessories , Machinery Accessories , Hardware

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Stainless steel fasteners, nuts, screws, flat washers, hose clamps, chains, ropes, plates, rods, strut channels, pipes, solders, threads used in steel construction; special parts.

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Stainless steel DIN931、DIN933、DIN603、DIN912、DIN975、DIN7991、DIN934、DIN939、DIN1587、DIN444（strength above A2－80、A4－80），and M18－M24 cold-forged hex screws of various lengths.

Operation variety: universal fastener, imported alloy steel fastener, rivet fastener, steel structure fastener, plastic fastener, stainless steel fastener, titanium alloy fastener, copper fastener, aluminum fastener, chemical anchor bolt, anchoring glue, locking screw, micro precision electronic screw, Various products and other off-standard customization.Surface treatment: 1. Blue zinc 2. yellow zinc 3. black zinc 4. Gray phosphate 5. Black phosphate 6. Brass 7. Black zinc 8. Nickel 9. Chromium 10. Electrophoresis black 11.Dacrtized 12. Machinery galvanized 13. hot dip galvanized 14. Teflon 15. Silvering 16. Gold plating, etc.

With the rapidly expanding she has covered remarkably the most fastener’s market. Since 1993 WASI is performing to DIN EN ISO 9001 certificate. A modern testing laboratory, accredited through A2LA in the USA and experienced inspection team is the base to perform all tests with scrutiny. The whole business scope accord completely with the mother company Wuerth – concentrate on top quality products of carbon steel standard parts and WASI - specialize in top quality stainless steels fasteners. Some special products such as patient parts for special purpose und use is available. On demand of customer we also import from other European suppliers for special items.

The main products are stainless steel self drilling screw, chipboard screw, drywall screw, self tapping screw, trilobular screw, machine screw and SEMS screw. Besides, according to customers’ require, Unitek has developed hundreds of sizes of high strength stainless steel fasteners in more than ten species in which many products keep high function applicable and technical place in China.

Shanghai DanRong Industrial & Trading Co., Ltd is an enterprise specialized in producing and selling fasteners. The main products of our company are GB, ANSI, and DIN standard fasteners, some kinds of bolts, nuts, washers, pins, screws, stainless steel fasteners, plastics, standard pares and nonstandard parts. The material are iron, stainless steel, nylon and so on.