production and sales of stainless steel self tapping screws,Mechanical screws,nuts, rivets,washers（plain washers and spring washers）,wedge anchor, stainless steel undercut anchor, aluminum extrusions, expansion screws and other standard or non-standard fasteners and curtain wall accessories.
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
specialized in producing Washers (Din125/Din9021/Din126/Din1440/Din1441/Din433/Din440/Din436/Din434/Din435/Din127),Wood Screws(Din95/96/97, IFI F-56,etc), Hex Nuts(Din934-8,ISO 4032,5587,UNC&B.S.Nuts,etc) Hex Bolts(Din 933/931-8.8,ISO4017/4014-8.8,Din558/601-4.8, IFIA-10,etc) & Hex Socket Screws (Din 912-8.8,Din7991-8.8),Carriage Bolts(Din603-4.6/8.8,Thread Rods(Din975-4.6/8.8,ect) Machine Screws(Din84/85/963/965,Din7985,IFIF-9(F-9),etc),Self-tapping Screws(Din7981/7982/7983,Din 7971/7972,IFI H24(E-20),etc),Chipboard Screws, Dry wall Screws,U-bolts, Studs, all kinds of Anchor Bolts & Blind Rivet and other special parts made by drawings and samples. Orders for goods with black finish, zincpl, yellow zincpl, brass and material of stainless steel (A2/A4) were available.
The standards about washers include: Not only DIN125, DIN126, DIN127,DIN128,DIN432,DIN433, DIN434, DIN435,DIN436, DIN440,DIN463,DIN471, DIN472, DIN526,DIN93, DIN933, DIN1441,DIN1478,DIN1479,DIN1480,DIN6916,DIN6797,DIN6798,DIN6904,DIN6905,DIN6907,DIN6908,DIN6916,DIN6917,DIN6918,DIN7349,DIN7989,DIN9021; NFE 25-513----NFE25-515; but also JIS, KS, BS4320, etc. And according to the customers' design to produce the special fasteners.
Our products various different specifications and types: hexagonal-headed bolts, screws, nuts, washers, anchors, rivets and some larger scales items, produced as per requirements and demand, with M5 to M74 (diameter), and 10mm to 2000mm (length), and meet kinds of standards from abroad as follow:
1) Germany (DIN)
2) British System (BS)
3) American System (ANSI/ASME)
4) Australian System (AS)
5) Japanese System (JIS)
6) Guo Biao (GB, China National Standard)
Therefore, our products are well-sold among the whole country, moreover, they are also widely spread all over the world, including Europe, North-America, Mid-east, Japan, Etc.
Flat Washer: DIN 125A, DIN 9021, DIN 1052, DIN 7989, DIN 7349, etc.
Tab Washer: DIN 93, DIN 463
Spring Washer: DIN 127B, DIN 137A, DIN 137B
Conical Spring Washer: DIN 6796
Square Washer: DIN 434, DIN 435, DIN 436
Shim rings and supporting rings: DIN 988
AFNOR Washer: NF E 25-511 M, NF E 25-513, NF E 25-514
British Washer: BS 3410, BS 4320
Special washers acc. to your samples or drawings.