... 750mm 3.plate thickness:4.00mm A series 100 chain used for Industry 1.material:40MN/A32.pitch: ... 7030.004.0088.50109.24.1717.7 Main products as the following: 1.Motorcycle Chains: 25H (04CH), 415, ... chains: 428SO,520SO,525SO,530SO3. Roller chains: A series and B series4. Silent chains: SC3,SC4,SC5 ... chains: 25NP,35NP,41NP,40NP,50NP10. Coupling chains The Chain technic treatment is as below:1.Shot peening2 ...