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.
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.
anchors (including metal and plastic) and plugs,bolts, nuts, screws, rivets, nails, clips, hooks, thread rods, studs, washers, stainless steel bolts, cap head nib bolts, automotive bolts etc. according to DIN, ASTM, ANSI/ASME ,ISO, GB,BS, JIS standard. We also welcome special orders made according to customer's drawings.
Our main products are Hex Bolts (Grade 4.8 and 8.8), Heavy Head High Strength Structural Bolts (Grade 10.9), High Strength Tension Control Bolts (Grade 10.9), U Bolts, Anchors (Sleeve anchors, Drop-in anchors, Wedge anchors, chemical stud bolts, nail-in anchors, etc.), All-Threaded Rods, Studs, Nuts, Washers, etc.. We are also capable of manufacturing non-standard fasteners according to samples or drawings.
Our entire range of fasteners is made of carbon steel, alloy steel and stainless steel, aluminum, brass, silicon bronze and other special materials. Production is carried out in compliance with ISO, DIN, BS, ANSI, JIS specifications