1.Our company supply all kinds of standard and non-standard washer, like flat washer, spring washer, square washer, , hardened steelwasher and cup washer, wave washer etc. The materials are like carbon steel, stainless steel, copper, aluminium, electrical insulating fibre, epdm etc. 2. Supply flat washer: DIN125, DIN126, DIN433, DIN440, DIN1052, DIN1440, DIN1441, DIN6340, DIN6916, DIN7349, DIN7989, DIN9021, BS3410, BS4320, NFE25513, NFE25514, F436. Ansi/asme b18, uss, sae, fender, sesco washer etc. 3. Supply spring washer: DIN127, DIN128, DIN137A, DIN137B, DIN6796, DIN7980, DIN9250, NFE25511, NFE25515, ASME18-21-1, BS1802, JISB1251 etc. 4.Supply square and taper washer: DIN434, DIN435, DIN436, DIN798, DIN6917, DIN6918 etc 5. Model nu: DIN, USS, SAE, BS, AS, NFE and non standard 25kg/bag