法兰青铜闸阀
ZW-02浮球式空气管头
铸钢自闭式放泄阀
船用法兰青铜截止阀
LIANXIREN：FANXIANSHENG
SHOU JI：13905261165/13905261159
GONG SI：JIANGSUKAITONGCHUANYONGFAMENYOUXIANJINGCAI258WANG
DI ZHI：JIANGSUSHENGJINGJIANGSHICHENGBEIYUANQUXINJIANBEILU35HAO
