Conveyor chain 1.40Mn, 45Mn quality alloy steel 2.carbonized harden 3.competitive price 4.trend to long cooperation Conveyor chain Attachment type: A1, K1, SA1, SK1, WA1, WA2, WK1, WK2, WSA1, WSA2, WSK1, WSK2, D3, D5, GK. SPECIFICATION: PACKING: Conveyor chain