基元鐵工廠製造球閥, 銅球, 銅球閥, 不銹鋼球閥, 球閥配件, 球閥機械, 基元歡迎您來電洽詢. We specialize in making a wide range of ball valves, brass ball, brass ball valve, ball valves accessories, ball valves manufacturers.
brass-ball.com