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.;

Parts：Pipe system connector、Throttle shaft、Throttle plate、Thermostat、Temperature sensor、Flange and other precision connector parts、 Needle valve A’ssy、Float、Main jet、Nozzle、Foam tube、Precision screw、Throttle plate 、oil connection etc.

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.

Bearing clamp 、 Circlips for shafts 、 Circlips for shafts、 Disc Spring Washers

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.

Hiayan Mingda Standard Hardware Co., Ltd was set up since 1994. Our factory specialized on producing on kinds of nuts, like flange nuts, hex nuts, cap nuts, slotted nuts, coupling nuts, heavy hex nuts, lock nuts and non-standard nuts in ANSI, DIN,JIS, AS, GB standards. Our products are widely used in assembling tools, bicycles, motorcycles, automobiles, electrical appliances and mechanical components, and enjoy a high reputation in the fastener industry both at home and abroad for stable quality. Our factory was ISO9001:2000 certificated, and get self-supporting import & export right since 2001

The factory is a professional engaged in nylon plastic rubber polyurethane (TPU) integrated enterprise development and production of sales type products began in 1998 with 60-10000T injection molding machine several can undertake the processing business of all kinds of nylon plastic products, mainly the production of tower crane truck crane concrete mixer of all kinds of nylon pulley nylon heavy equipment to use roller wheel nylon wheel nylon nylon support ring of nylon rope wheel nylon sleeve wear MC nylon products machinery fittings have spool plastic bushing motorcycle flat plug sleeve a variety of plastic hand wheel nylon fastener plastic fasteners (spool nylon washer flat washer screw screw nut nylon plastic nylon plastic bearing cover) and other rubber products due to market demand with the increasing specificity product supply is changed into diversified market broadened development and application to rubber products industry and polyurethane products industry products related to construction machinery mining machinery, engineering machinery and food machinery industry and other fields

Auto accessories, lasso joint ring and sleeve cap component, drag link, the shift lever and limit parts, stainless steel bar and so on.