China A1 A2 Kw1 Kw 2 K1 K2 Type Attached Plate Chain Winged Steel Pin Hollow Pin Stainless Steel 304 316 Roller Chain, Find details about China Stainless Steel, Roller Chains from A1 A2 Kw1 Kw 2 K1 K2 Type Attached Plate Chain Winged Steel Pin Hollow Pin Stainless Steel 304 316 Roller Chain