... .standard :ISO/DIN, ANSI. 2.professional roller chain and sprocket 3.zinc surface or other as customer require ... : carbon steel, stainless steel Standards: ANSI, DIN, ISO, and BS Type: DIN766, DIN763, DIN5687, DIN82056, DIN5686, DIN5685, 40, and 70 grade ... Competitive Advantages: Price, Prompt Delivery, Reputation, ServiceOur factory addressOur local chain drawing A/B series plate roller ...