Founded in 2010, Shanghai Sea Song Co., Ltd. is one professional supplier for various of Fasteners and Steel balls. Such as Retaining rings / Circlips, E rings, Snap rings, V rings, Crescent rings; Spring washers, Disc washers / Belleville Washers, Lock washers, Wave washers, Contact / Conical washers, BY Bearing washers, Aluminum washers, Shim rings; Parallel keys, Woodruff keys, Gib head Keys, Machine keys, Key steel; Slotted Spring pins, Split Cotter pins, Dowel pins, Taper pins; Lock nuts, Flange nuts; Eye bolts, Eye nuts; Flat head rivets; Carbon steel balls, Chrome steel balls, Bearing steel balls, Stainless steel balls, Electroplated steel balls, Copper balls and so on.

We're specialized in supplying these competitive products. External retaining rings / criclips DIN471, Internal retaining rings / circlips DIN472, E rings DIN6799, V rings M1308, M1408, Serrated circlips DIN983 / DIN984, Crescent rings M1800; Disc spring washers / Belleville washers DIN2093, DIN6796, Serrated / Tooth lock washers DIN6798, DIN6797, Contact washers NFE25-511, Wave spring washers DIN137A/B, Spring washers DIN127A/B, DIN7980, DIN128A, Lock washers DIN5406, DIN9250; Lock nuts DIN981, DIN7967; Eye bolts DIN580, DIN444, Eye nuts DIN582; Parallel keys DIN6885A/B, Woodruff keys DIN6888, Machine keys DIN6880, Key steel; Pins DIN1481, DIN6325, DIN7978, DIN7979, DIN1, DIN7 and so on. We can also design non-standard fasteners according to your drawings or samples.

With the standard of DIN, ANSI, BS, UNI, our products are widely used in the bearing, machinery, construction and many other industries. We already won good market and reputation in Europe, Southeast Asia, South / North America and Middle East depending on our perfect products, good service and rich experience.