Qingdao Dehui Hardware Products Co., Ltd. is a professional manufacturer of high-quality fasteners in China. The factory has more than 20 years of experience in fastener production. The fasteners produced by the factory are alloy steel, stainless steel, carbon steel, copper alloy and other materials. The factory uses fully imported production equipment and raw materials from international and domestic first-class steel plants. The products are produced in strict accordance with the ISO9001 international quality control system, While producing standard products, non-standard products can be processed according to customer requirements. Product standards include GB (national standard), ISO (international standard), DIN (German standard), ANSI (American standard UNC, UNF), BS (British standard), JIS (Japanese standard), UNI (Italian standard) and other standards. The fasteners produced by www.qd-dh.com include carbon steel fasteners, alloy steel fasteners, stainless steel fasteners, copper aluminum fasteners, titanium alloy fasteners, plastic nylon fasteners, automobile fasteners, environmental fasteners, inch fasteners, American fasteners, ship fasteners, special-shaped (non-standard) standard fasteners. The products are suitable for, locomotive manufacturing, mechanical equipment Petrochemical industry, marine equipment, infrastructure engineering, auto parts, new energy, machinery, electricity, low-voltage appliances, furniture, hardware tools, building decoration, transportation facilities, etc. Customers are mainly distributed in China, the Middle East, Southeast Asia, Africa and other countries and regions. Bolts: hexagonal bolts, stainless steel bolts, copper bolts, square neck bolts, U-bolts, half round head bolts, countersunk bolts T-shaped bolt, carriage bolt, anchor bolt, loose joint bolt, square neck bolt, belt bolt, high-pressure bolt, environmental protection bolt, inch bolt, American bolt, hexagon flange bolt, expansion bolt, perforated bolt, cushion combination bolt, all kinds of instrument lathe bolts, and special-shaped non-standard bolt. Screws: ordinary machine screws, stainless steel machine screws, copper machine screws, environmental protection screws, British screws, American screws, hexagonal socket machine screws, height machine screws, tightening machine screws, combination screws, half countersunk head screws, lifting eye screws, machine screws, electrical screws, various washer combination machine screws, instrument lathe machine screws, non-standard machine screws of different types. Self tapping screws: national standard semicircle self tapping screws, pan head self tapping screws, countersunk head self tapping screws, hexagonal socket furniture self tapping screws, outer hexagon self tapping screws, stainless steel self tapping screws, slotted self tapping screws, wallboard self tapping screws, dry wall screw self tapping screws, various tail drilling self tapping screws, various washer combination self tapping screws, instrument lathe self tapping screws, various non-standard self tapping screws. Nuts: hexagonal nuts, hexagonal thick nuts, flange nuts, environmental nuts A194.2H nuts, large opposite nuts, inch nuts, American nuts, welding nuts, automobile and motorcycle matching nuts, self-locking nuts, stainless steel nuts, dished nuts, ring nuts, cap nuts, fastening nuts, round nuts, knurled nuts, slotted nuts, hexagonal nuts for accurate machinery, various instrument lathe nuts, various non-standard nuts of different shapes. Gear rings: taper pin locking gear ring, screw locking gear ring, environmental protection gear ring, British gear ring, American gear ring, elastic gear ring for hole, elastic gear ring for shaft, steel wire gear ring for hole, open gear ring, shaft shoulder gear ring, clamping gear ring, various special-shaped gear rings. Rivets: stainless steel rivets, copper rivets, aluminum rivets, environmental rivets, inch rivets, American rivets, pop rivets, semi hollow rivets, aluminum parts, sign rivets, flat cone head rivets, countersunk head rivets, flat head rivets, various instrument lathe rivets, and various special-shaped rivets. Wood screws: slotted round head wood screws, slotted countersunk head wood screws, slotted half countersunk head wood screws, hexagon head wood screws, cross recessed round head wood screws, cross recessed countersunk head wood screws, various stainless steel wood screws, copper wood screws. Flat washer: stainless steel washer, spring washer, lock washer, environment-friendly washer, inch washer, American washer, lock washer, single lug lock washer, square bevel washer, combination washer, tapered serrated lock washer, wave elastic washer, internal and external tooth lock washer, large washer, flat washer, spherical washer, small washer, various special-shaped non-standard washers. Pins: cotter pin, taper pin, internal thread taper pin, cotter taper pin, threaded cylindrical pin, elastic cylindrical pin, perforated pin, threaded taper pin, pin shaft, various instrument lathe pins, and various special-shaped non-standard pins. Studs: www.qd-dh.com stud, stud bolt, A193, B7 American stud, stud bolt, American bolt, welding stud for manual welding, welding stud for motor arc welding, equal length stud, screw. Corporate culture: integrity, dedication, innovation and service; Over the years, we have been constantly innovating and accumulating, improving our advantages in the industry, truly improving efficiency, reducing procurement costs, improving customer product quality and competitiveness, so as to achieve mutual benefit and win-win cooperation!
