慶堂工業股份有限公司【精密閥門產品；閥門；水管閥門；商業用閥門；工業用閥門；2000/CNS 12681 BY BSMI-Kaohsiung ...

慶堂工業股份有限公司【精密閥門產品；閥門；水管閥門；商業用閥門；工業用閥門；2000/CNS 12681 BY BSMI-Kaohsiung Factory；By Bureau of Commodity Inspection & Quarantine(B.C.I.Q)；GAS Shutoff Valves；Forged Ball Valves；Forged Brass Ball Valves；Brass Ball Valves；Quarter-Turn Stop Valves；球 ...

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