UPVC双由令球型逆止阀/CPVC活接止回阀/upvc逆止阀

UPVC,pp单由令球型逆止阀/CPVC止回阀/upvc逆止阀/clean-pvc逆止阀

UPVC,pp底阀/CPVC终端阀/upvc阀

UPVC由令球阀/CPVC由令球阀/pp活接球阀,PVDF球阀,CLEAN-PVC活接球阀

UPVC法兰式球阀/CPVC法兰球阀/PP球阀/pvdf法兰式球阀，CLEAN-PVC球阀

UPVC法兰式隔膜阀/cpvc隔膜阀球阀/PVDF法兰隔膜阀PP,clean-pvc

UPVC插管隔膜阀/CPVC直接隔膜阀/pvdf隔膜阀PP,clean-pvc

UPVC由令式隔膜阀/cPVC活接式隔膜阀/PVDF活结式隔膜阀,PP,clean-pvc