Our main Products include: Bolt, nut, flat washer, spring washer, thread rod, anchor bolt, self drilling screw and so on. hex bolt 、anchor bolt 、hex nut

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Haiyan Hongrun Fastener Co., Ltd is a professional manufacture of producing 4.8, 8.8, 10.9 and 12.9 of the hexagonal flange bolt (including Prevent slippery tooth flange screws, wheel hub screw and Seat belt screw), high strength auto distribution fasteners and other kinds of non-standard special items.

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non-standard fasteners, machine screws, self-tapping screws, insert nuts, rivets, hollow bolts & nuts.

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railway fasteners: screw spikes, track bolts non-standard fasteners: U bolt,square bolts, wheel bolts, special bolts and screws, drive screws standard fasteners: ANSI/ASME B18.5 1990,DIN6914, ANSI/ASME B18.2.1 1996, DIN571,square bolts, hex bolts, wood screws, eye bolts,hex head screws, hex lag screws, round head square neck bolts, hex nuts stamping parts: pipes & hooks, hose clamp, welded stampings, clamps kit punching piece, cooling extrusion of cooling and heating, mechanical processing, non-standard piece, which are consistent with GB, DIN, ANSI and JIS, products of various specifications and max length of 1500mm.

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Tungsten steel mould, high-speed steel-rod, cold-forging fittings: nut mould (mould nut), bolts mould (mould screws) (straight rod mold etc.); Tungsten steel mould (Alloy mould); rods, comprehensive mould such as: Material transferring wheel; bolt mould; ratchet; tungsten steel drilling rods; knife outside block;, knives, tungsten steel knives, cold forging fittings; rod sets, stripping disk; inside and outside knives; sleeve mould; operation folder (transit folder, Clip, tongs) drilling mold, screw; stainless steel roller sleeve, flange, spark plugs, and cold-forging mould for nuts, nut stamping, drawing die; the rod; tapping fittings; cold-forging mold (Parts mold, cold extrusion mould) Great Wall molybdenum wire

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Our company mainly manufactures and markets fastener product series, including hexagon bolt, Hexagon flange bolt, carriage bolt, half-round head oval neck bolt, square-head bolt, T-bolt, U-bolt, anchor bolt, guide bolt, hexagon head wood screw, hexagon socket head cap screw, hexagon square nut, and various washers, etc; product standards: German Standard, Australian Standard, American Standard, Japanese Standard, and International Standard, etc; product specifications: M6-M22 (1/4"-7/8"); performance grade: 4.6, 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9 (American grade: 2, 5, 8 and 10); surface treatment: Galvanization (trivalent chromium), color-hardening, pot galvanizing, and galvanizing dyeing; and annual production capacity.

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L type foundation bolts,T type bolts and nuts,standard fasteners,metro bolts,high strength bolts nuts and washers,expressway guardrail bolts and nuts,concrete bifurcation pillow bolts,non-standard screws,hex sockect cap bolts

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Our products range:bolts, nuts, wood screws, machine screws, self-tapping screws, spring washers, flat washers, anchors etc. according to DIN, ANSI, BS and JIS standard. Made from carbon steel at Grado 4.8, 6.8, 8.8, 10.9, 12.9 with ACABADO of plain, black, zinc(bright/yellow), brass, nickel, chrome, etc. hex bolt, self-drilling screw

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General fasteners, import alloy steel fasteners, rivet fasteners, steel structure fasteners, plastic fasteners, stainless steel fasteners, Titanium alloy fasteners, copper fasteners, aluminum fasteners, chemical anchor bolts, embedding rubbers, coils, self-locking screws, mini precise electronic screws, products with a variety of designs and non-standard fasteners. Surface Treatment: White Zinc, Yellow Zinc and Dacromet, etc.

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Gem-Year are producing all kinds of high quality products such as bolts, nuts, screws, drawn wire and other off-standard fasteners, which are according to GB, ANSI, DIN, UNI,JIS and ISO standards with yearly production output of 200,000 metric tons.

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