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.
Snap Ring, circlips for shafts, E clips,circlips,hex head bolt,anchor bolts,motorcycle bolts,
huck bolts,wheel bolt,carriage bolt,socket head bolt,
hook bolt,hanger bolt,plow bolt,guardrail bolts,
countersunk bolts,structural bolt, lag bolt,
lock bolt,pan head bolt,
stud bolt,square head bolts,track bolts,expansion bolts
Standard bolt, screw ;
Standard nut ;
The high strength fastener
Able to bear the falling type fastener;
Making up type fastener;
Welding type fastener;
Axle sleeve ;
Reed nut punching ;
Our company supply all types of threaded rods and double ended studs.We also supply different kinds of fasteners,such as nuts,bolts,washers,etc....
We offer fasteners about grade 4.8-12.9(ANSI Gr2-Gr5); black, zinc plated, HDG, etc surface treatment; color box package, neutral carton package; Also, we can offer our customer stainless steel or brass fasteners.
hot-forged fasteners with full specifications and various kinds, especially non-standard fasteners, like special bolts, steel nail ，extra-long and extra-large fasteners, rivet weld, hardware, stamping and machining parts, high strength bolts, hex bolts, hex socket head cap screws, foundation bolts, stud bolts, U bolts, bolts for electric power steel tower, bolts for petrochemical industry, etc.
We supply tapping screws, drywall screws, chipboard screws and wood screws (M2-M8; Length ≦90mm; GB, BS, ANSI, DIN and Nonstandard). Especially, stainless steel products are highly praised and appreciated by the US and Canadian market. In addition, we supply machine processing products such as auto fittings, rubber products, etc.
we mainly produce the standard of national, German, Japan ,America fastener,auto fittings, electrical fittings, bulldozer screw, crane screw,harbor machine screw, crusher screw, mechanical engineering screw, including T type screw, rectangle head, double head, sole screw, drawing bar screw, hexagonal socket, outer six angle and all kinds of non-standard high strength such as 8.8degree,10.9degree,12.9degree and screw cap. We also produce hydraulic pressure pipefitting, pipe tie-in,pipe cap,pipe casting,hose assembly and so on.
Standard and non standard parts series:
Various Screw cap
T model screw screw
Non-Standard sguare toes
Non-Standard double head
Crushing machine screw
Hydraulie pressure pipe pcs:
Flange,Metric,American,Integral fittings,Ferrules----Hydraulie pressure pipe pcs
Steel wire enlace pipe
High pressure pipe
Our mostly products include stainless steel standard fasteners, you can choose materials between 200, 201,202, 304 , 316 , 304L, 316L, B8, B8M etc. such as all spec. threaded rods(threaded studs), hex bolts, hex nuts, heavy nuts, flat washers, L-anchor bolts, U-bolts etc.
Other products include stainless steel round bars, angle iron, channel bar, armor plate, steel sheet, wire rods, welding wires etc.
Our products are widely used in construction, machine, chemical produce, traffic product, and environment engineering.
Professional manufacturer of high-strength screws, bolts and non-standard items, is Asia's largest high-intensity production enterprises of the screws. Products include German standard, the United States standard, GB, the standard, ISO and other alloy steel, carbon steel, stainless steel. 8.8, 10.9, 12.9, high-intensity 1.60, 47.60 and various special non-standard pieces.