Our production standards are the national standard, German standard, international standard, British standard, Japanese and Korean standards (GB, ANSI / ASME, ISO, DIN, JIS ...), we can according to your need to produce your required specifications and dimensions (non-standard).

Silicon bronze fasteners, CuNiSi fasteners,phosphor bronze fasteners, aluminium bronze fasteners, brass fasteners, silicon bronze rod, phosphor bronze rod, aluminium bronze rod, brass(naval) rod.

The staple products for Dongrui are serial Multi-Station Cold Upsetting Formers, and the products are protected by many patents. Dongrui products are with complete range of specifications and stable quality which have been sold to everywhere in China and exported to America, Europe, the Middle East and South East Asia etc. in the world. Dongrui products are trusted by customers both at home and abroad. The company has passed through the certifications of ISO 9001:2008 quality management system and CE safety regulation, it has several sets of big size machine centers and a lot of advanced mechanized equipment made in China or imported from abroad, it also has a Technological Development Center at provincial level. The research and development ability and level of Dongrui company always plays a leading role at the fields of same trade in China, due to aiming at high standard and thanks to advanced inspection technique applied through whole production procedure, therefore the quality of Dongrui machines can be reliably guaranteed.

Our company is professional in producing various of brass standard parts,brass fasteners,brass nut,brass screw,brass bolt,brass washer,brass flat washer, brass spring washer, brass knurling nut, brass ball, brass threaded rod,brass coupling,brass clip,brass nipple,brass bush, copper washer, copper flat washer,copper nut, copper bolt, copper screw, bronze bolt, bronze nut,bronze screw, bronze washer, bronze spring washer

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

which mainly produces and sells standard high-quality fastener and custom non-standard special fastener according to customers' requirements, such as DIN, UNI, GB, ANSI, BS, JIS, ISOetc. The products are widely used in electron, machine, energy, chemicals, die, hydraulics, automobiles, etc. Product material: Carbon Steel, Alloy Steel, Stainless Steel, Copper, Nylon, Plastic, etc. Product surface treatment: Zinc Clear, Zinc Yellow, Zinc Black, Tin-plating, Nickel-plating, Dacromet, Mechanical Galvanizing, Hot-dip Galvanizing, Dye Blackness, Phosphor Grey, Copper Yellow, etc. Product intensity level: 4.8, 6.8, 8.8, 10.9, 12.9, 4, 6, 8, 10, A2-70, A4-80 DIN1,DIN7,DIN79,DIN84,DIN85,DIN93, DIN94, DIN95, DIN96, DIN97, DIN125-A, DIN125-B, DIN126, DIN127-A, DIN127-B, DIN128-A, DIN128-B, DIN137-A, DIN137-B, DIN186DIN188, DIN193, DIN196, DIN251, DIN258, DIN261, DIN315, DIN317, DIN319, DIN404, DIN417, DIN427, DIN431, DIN432, DIN433, DIN434, DIN436, DIN438, DIN439, DIN440, DIN443, DIN444, DIN462, DIN463, DIN464, DIN465, DIN466, DIN467, DIN470, DIN471, DIN472, DIN479, DIN480, DIN580, DIN582, DIN605, DIN610, DIN508, DIN525, DIN529, DIN546, DIN547, DIN551, DIN553, DIN555, DIN557, DIN558, DIN562, DIN571, DIN662, DIN741, DIN908, DIN601, DIN603, DIN604, DIN607, DIN608, DIN609, DIN653, DIN660, DIN661, DIN674, DIN703, DIN705, DIN787, DIN835, DIN906, DIN909, DIN910, DIN911, DIN912, DIN913, DIN914, DIN915, DIN916, DIN917, DIN920, DIN921, DIN922, DIN923, DIN927, DIN928, DIN929, DIN931, DIN933, DIN934, DIN935, DIN936, DIN937, DIN938, DIN939, DIN940, DIN960, DIN961, DIN962, DIN964, DIN965, DIN966, DIN970, DIN971, DIN972, DIN975, DIN976, DIN979, DIN980, DIN981, DIN982, DIN985, DIN986, DIN988, DIN1052, DIN1151, DIN1440, DIN1441, DIN1444, DIN1471, DIN1472, DIN1473, DIN1474, DIN1475, DIN1476, DIN1477, DIN1479, DIN1480, DIN1481, DIN1587, DIN1804, DIN1816, DIN2093, DIN3017, DIN3404, DIN3567, DIN3570, DIN6319, DIN6325, DIN6330, DIN6331, DIN6334, DIN6796, DIN6797-A, DIN6797-I, DIN6798-A, DIN6798-I, DIN6799, DIN6885, DIN6888, DIN6899, DIN6900, DIN6901, DIN6914, DIN6915, DIN6916, DIN6917, DIN6918, DIN6921, DIN6923, DIN6925, DIN7337, DIN7338, DIN7343, DIN7346, DIN7349, DIN7500, DIN7504, DIN7505, DIN7513, DIN7516, DIN7965, DIN7967, DIN7968, DIN7971, DIN7972, DIN7973, DIN7976, DIN7978, DIN7979, DIN7980, DIN7981, DIN7982, DIN7983, DIN7984, DIN7985, DIN7989, DIN7990, DIN7991, DIN7993, DIN7995, DIN7996, DIN7997, DIN8140, DIN9021, DIN11024, DIN13257, DIN18182, DIN28129, DIN70952, DIN71412, ISO7380, ISO7379 SFS2176, SFS2179, SFS7089, SFS2219, SFS4736, SFS2063, SFS2064, SFS2067, SFS2177, SFS2178, SFS2636 UNI EN22339, UNI1707, UNI8835, UNI6107, UNI6600, UNI1336, UNI703, UNI701, UNI6599, UNI6592, UNI6598, UNI5590, UNI7435, UNI7437, UNI5531, UNI5923, UNI5927, UNI5925, UNI5929, UNI5737, UNI5739, UNI5588, UNI7588, UNI6873, UNI5721, UNI8737, UNI6364, UNI EN28734, UNI8842A, UNI8842J, UNI6951, UNI6952, UNI6953, UNI6949, UNI7284, UNI EN28735, UNI6954, UNI702, UNI6592, UNI1751, UNI8839, UNI8840A, UNI8840B, UNI7285, UNI5449, UNI5596, UNI704, UNI2947, UNI5731, UNI5732, UNI6753, UNI5931, UNI7689, UNI7473, UNI5593, UNI5589, UNI5594, UNI5911, UNI6109, UNI6110, UNI7688, UNI7474, UNI7434, UNI6604A, UNI5714, UNI9200A, UNI9200B, UNI8111/8112/8113, UNI8117/8118/8119, UNI6955, UNI6956, UNI7687, UNI5933, UNI7433, UNI6593, UNI7380 ISO2339, ISO2338, ISO1207, ISO1580, ISO1234, ISO7089, ISO7090, ISO7091, ISO8737, ISO7435, ISO2342, ISO7092, ISO7436, ISO4035, ISO8675, ISO299, ISO4766, ISO7434, ISO4034, ISO4018, ISO3266, ISO4016, ISO8677, ISO1051, ISO299, ISO8740, ISO8746, ISO2936, ISO4762, ISO4027, ISO4028, ISO4029, ISO4014, ISO4017, ISO4032, ISO8673, ISO7035, ISO7038, ISO8741, ISO8747, ISO8765, ISO8676, ISO2009, ISO2010, ISO8674, ISO7199, ISO2982, ISO7040, ISO10511, ISO8738, ISO2341, ISO8744, ISO8745, ISO8742, ISO13337, ISO7046, ISO7047, ISO4032, ISO4034, ISO8752, ISO8734, ISO773/2491, ISO3912, ISO7412, ISO7414, ISO7416, ISO4161, ISO7042, ISO8750, ISO7379, ISO1481, ISO1482, ISO1483, ISO1479, ISO8736, ISO8735, ISO8738, ISO7049, ISO7050, ISO7051, ISO7045, ISO10642, ISO7093, ISO7380, ISO709

stainless steel bulk nails, stainless steel coil nails, copper nails,silicon bronze nails.

The main products are screws, nuts, carriage bolt, T bolt, threaded rods, drilling screws, anchors, drywall screw, spring pin, in stainless steel, carbon steel and bronze materials. Our products are widely used in communications, electronics, shipbuilding, automobiles, machinery, container, electrical, environmental protection and other industries.

Spring washers, Stainless steel washers, brass spring washers, phosphor bronze washers, spherical spring washers, triangular spring washers, stopped spring washers, double-decked washers for light rail, railway washers, wing washers(apilionaceous spring washers).

Environmental antirust oil; anti-rust agent; no-clean punching oil; hydrocarbon cleaning agent; anti-rust oil; plating rust-proof finish; volatile stamping oil; environmental cleaning agent; quick-drying rust-proof finish; volatile anti-rust oil agent; plating bronze rust agent; bearing anti-rust oil; tapping oil; tapping essential oils; stainless steel molding oil; black anti-rust oil; copper bright rust agent