... quality alloy steel2. carbonized harden 3. competitive price4. trend to long cooperation Double pitch conveyor chainC2040, C2042, C2050, C2052, C2060, C2062 ... , C2080 5.has taken measures to better antirust6.long-life duration and high strength7.pre-stretched and anti-fatigue8 ... chains :415,415H,420,420H,428,428H,520,520H,6303)short pitch conveyor roller chain attachments:A-1,A-2.K ...