Product Details : Our company is an integrated manufactory involves in producing ,processing and selling spring washers. By introducing equipment and technology from Japan and passing the system of ISO 9001 2000 our products are superior in quality. Because we are manufacturer then in the quanlity , delivery and price could be very well controlled and competitive. 1)Standard Size DIN127B 2-64mm DIN7980 3-48mm DIN6796 2-30mm DIN6797 1.6-30mm DIN6798 1.6-30mm DIN137B 3-24mm DIN127A 1.8-10mm ASMEB18.21.1 No 4- 1/2 BS1802 1/8-11/2 JIS 31251 3-36mm 2)Material:spring steel(65MN or C70),stainless steel(ss302,ss304,ss316),copper3)surface treatment:Polishing(plain),black,zinc plated (blue, white, yellow), hot dipped galvanized,trivalent zincZ/PCR3,Phosphating4)Packing:In carton/sack and palletized,Generally 25kg per unit or packing according to customers' requirements.5)Our products can be made at the special order by customers.