Hainan plastic manhole cover processing Give you a detailed introduction Hainan plastic manhole cover processing Product classification of, including Hainan plastic manhole cover processing The purpose, model, scope, pictures, news and price of all products under. At the same time, we have selected Hainan plastic manhole cover processing The classified industry information, price quotations, exhibition information, picture materials, etc. have won praise from users nationwide. For more details, please click to visit!
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What are the processing methods of plastic well pipe? Hainan ductile iron manhole covers are introduced to you. The convex head of the plastic pipe is made by hot processing. The processing method is to first make a mold with wood, then heat a bucket of industrial glycerin to more than 130 ℃, soak one end of the pipe into the hot glycerin, and the insertion depth is the length of the convex head. After softening the pipe, press it into the mold evenly
Published on: July 11, 2019 Number of hits: 67
