... as your requirementMain products as the following1)roller chains: A series(12.7-63.5mm pitches),B series ( ... ,630,630H3)short pitch conveyor roller chain attachments:A-1,A-2.K-1,K-2,SA-1,SA ... Pls send us the qty, material, size, packing, logo design and so on.Your requirement will be treated ... .We will be happy to give you a quotation upon receipt of your detailed requirements. 50 series duplex roller ...