截止阀型号J41H-16C,j41h-16c截止阀

厂家直销j41h16c截止阀手动铸钢截止阀法兰截止阀
j41h16c铸钢法兰截止阀高温蒸汽阀dn15202532405065铸钢走水dn20
j41h-16c高温蒸汽20碳钢25铸钢32法兰40截止阀dn50 65 80 100 150
j41h-16c-200 碳钢截止阀 公司名称 品牌 宏亚阀门 型号 j41h-16c-200
截止阀德标截止阀j41h16c