Features:1) A serial short knar distance precision roller chain 2) A serial vertical board roller chain 3) Aggravating serial roller chain 4) Special attached board chain 5) Double knurl distance roller chain 6) Accessories for transportation nickel-plating and zinc-plating chain motor chain and chain wheel 7) Engine chains: time correctitude and positive time chain, tooth shape chain Other Price Terms: FOB, CFR, CIF Payment Terms: T/T, L/C