日标闸阀
青铜板式止回阀
铸钢自闭式放泄阀
镀锌空气管头
LIANXIREN：FANXIANSHENG
SHOU JI：13905261165/13905261159
GONG SI：JIANGSUKAITONGCHUANYONGFAMENYOUXIANYABOMAIQIU
DI ZHI：JIANGSUSHENGJINGJIANGSHICHENGBEIYUANQUXINJIANBEILU35HAO
