... ,yellow3)advanced heat treatment process, mesh belt conveyor furnace use,chain dry machine4)standard:ISO/ DIN ... packing as your requirementMain products as the following1)roller chains: A series(12.7-63.5mm pitches ... 2)motorcycle chains :415,415H,420,420H,428,428H,520,520H,6303)short pitch conveyor roller chain ... -A,SK-24)double pitch transmissions v& conveyor chains :2040,2042,2050,2052,2060,2062,2080 ...