roller chain 1.got ISO certification 2.professional chain manufacture 3.standard and non standard Chain 4. OEM welcome

Industrial roller Chain:

Materials: carbon steel, stainless steel ,40 MnStandards: JIS, DIN, ASTM, and BS Type: DIN766, DIN763, DIN5687, DIN82056, DIN5686, DIN5685, 40, and 70 grade Packings: reel, bag, drum, and carton Competitive Advantages: Price, Prompt Delivery, Reputation, Service

40Mn motorcycle roller chain