... packing as your requirementMain 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,6303)short pitch conveyor roller ... chain attachments:A-1,A-2.K-1,K-2,K-3,SA-1 ... ,SA-2,SK-A,SK-24)double pitch transmissions v& conveyor chains :2040 ...