通过 
材质：采用优质合金钢材料，特殊的热处理工艺
交货期：常用规格备有现货，没有备货的规格交期30天
价格：专业石油链条生产企业
型号：BL422, BL423, BL434, BL444, BL446, BL466, BL488
BL522, BL523, BL534, BL544, BL546, BL566, BL588
BL622, BL623, BL634, BL644, BL646, BL666, BL688
BL822, BL823, BL834, BL844, BL846, BL866, BL888
BL1022, BL1023, BL1034, BL1044, BL1046, BL1066, BL1088
BL1222, BL1223, BL1234, BL1244, BL1246, BL1266, BL1288
BL1422, BL1423, BL1434, BL1444, BL1446, BL1466, BL1488
BL1622, BL1623, BL1634, BL1644, BL1646, BL1666, BL1688
BL2022, BL2023, BL2034, BL2044, BL2046, BL2066, BL2088
15332620066