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Double Wall bellows is a new type of lightweight pipe made of high-density polyethylene. It has the characteristics of light weight, high pressure resistance, good toughness, fast construction and long service life. Its intentional wall structure design and other structures Compared with pipes, the
High density polyethylene (HDPE) has excellent chemical stability, aging resistance and environmental stress cracking resistance. The HDPE Double wall corrugated pipe produced from it is a flexible pipe. Its performance is as follows:Strong resistance to external pressureThe outer wall has an annula