1) The SJBG series HDPE heat preservation pipe production line is made by adopting Germany technology . It can make the pipe from Φ110-Φ1250mm by vacuum process.

2) It consists of the following :extruding ,diameter determination ,cooling , hauling cutting and unloading .

3) Its character : vacuum process, high automation, large output, stable function and long lasting.

4) Specially compared with the production process of inner presss, it has better link-steel degree and press-support ability .It is the most advanced and popular in the international market.

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