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.

Now my factory can produce bore stalk turns,opening turn,inside( saw) tooth turn outside(saw) tooth and abnormal shape turn standards and kinds of car, motorcycle,machine tight firmware and related non-standard products 20 million yuan every year. circlips,washers.

Quenching and tempering, carburizing, quenching, high frequency, carbon and nitrogen permeability, isothermal Quenching and tempering, carburizing, quenching, high frequency, carbon and nitrogen permeability, isothermal quenching and nitriding, vacuum quenching, bright quenching and aging processing, solid solution processing, normalizing, demagnetization and annealing heat treatment of metals；Fasteners, gear, gear, powder metallurgy, casting, forging, electric tools, precision stamping parts, all kinds of automobile, motorcycle parts, etc.;

Zinc flake Coating，Atotech，Magni Surface Treatment, Metal Processing.

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.

Our products include automobiles safety components, machinery parts, bicycle/ motorcycle components & parts, hand tool components & parts, other hardware parts, aluminum alloy and brass forgings, hot forge products, bevel gears, auto airbag parts, hardware items, progressive dies and related accessories. OEM orders are welcome

(1) Precision Cold Forging Bolts (2) Precision Cold Forging Nuts (3) Shaft Sleeves (4) Precision Stamping Parts (5) Positive/Negative Battery Terminals, Electrical Contacts

1. industrial fasteners 2. washers specially used in auto 3. terminals and the terminal component 4. tablettings used in telephone 5. Abschirmblech of telephone 6. chassis and drawing operation part 7. springs and others

Furniture hardware fittings, Light hardware fittings, Bicycle part and accessories, K-lock nut, Nylon lock nut, conical nut, micro hex nut and customized non-standard fasteners. Material includes：carbon steel, stainless steel, aluminum alloy

Spring washers, springs, tension springs, and torsion springs. Materials: 70#, 65M, 304, 316 Tension springs, pressure springs, torsion springs, pagoda springs, and specialty springs in diameter from 0.2mm to 10mm Spring washers, wave spring washers GB7246-87, curved spring washers GB7245-87, heavy-duty spring washers GB7244-87, and single coil spring lock washer for assembly GB9074.26. Standard: GB, ANSI, BS, DIN, etc. in diameter from 2 to 30 are available.