Thin wall centrifugal drainage iron pipe is a kind lr good performance pipe. 薄壁离心铸铁排水管是一种具有良好性能的铸铁管件。
Being a precision forming method, Brazing is wildly used in joining complex shape parts and thin wall accessories. 钎焊作为一种精密成型的焊接方法,在形状复杂和薄壁零件连接中获得广泛应用。