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Гуулин холбох хэрэгсэл
Чанартай усны хоолой Тохируулах боломжтой PVC өндөр даралтын хоолойн усны хоолой
Hospital Alarm System Gas Isolation Valve Copper Pipes With Brass Gas Line Ball Valve
Brass/Copper Brass Ball Valve with Extended Tube Ends
Гуулин бөмбөг хавхлага 2 Inch Full Port 600 PSI | Forged Brass Valve For Water/Oil/Gas | China Direct
DN15-DN100 Whole Brass Horizontal Non-return Swing Check Valve With 1/2 Inch-4 Inch
