... in any size and grade 3.OEM welcomed 4.Application:transmission part and machinery 1. Business type: sprocket manufacturer& ... Model: type A, type B, and type C. Single, Double, Triple35B 10T~80T, 40B 9T~90T, 50B 9T~90T, ... , chromeplating, sandblasting Model Type A & Type B, Single, Double, Triple - 35B10-80,40B9-90,50B9-90,60B9-90,80B9 ... -76 PackingPlastic bag+plywood case/Pallet sprocket chain