5-1A型快关阀
船用法兰铸钢截止阀
铸造式空气管头
LIANXIREN：FANXIANSHENG
SHOU JI：13905261165/13905261159
GONG SI：JIANGSUKAITONGCHUANYONGFAMENYOUXIANJINGCAI258WANG
DI ZHI：JIANGSUSHENGJINGJIANGSHICHENGBEIYUANQUXINJIANBEILU35HAO
