... your sample or drawingMain products as the following1)roller chains: A series(12.7-63.5mm pitches),B series ... (9.525-50.8mm pitches)2)motorcycle chains :415,415H,420,420H,428,428H,520,520H, ... -A,SK-24)double pitch transmissions v& conveyor chains :2040,2042,2050,2052,2060,2062,2080,2082 ... and with H series5)agricultural chains:C212A series,ZGS38 combine chain series,3558T, rice ...