Qingdao Yifeng Plastic Machinery Co., Ltd.is a specialized design,manufacture of PP plastic pipes and tubes production line. This production line design is unique,adopt BM separate efficient screw,automatic degree is high,operate is convenience,is stable and liable when produce continuous.It produced the plastic fuel gas pipes which has the advantages of heat,aging,environmental stress,cracking resistance,creep resistance,ect.,is a first selected product to produce the fuel gas pipeline in the inter-city. That product can also produce the big caliber PE water suppliers pipes. The pipe is non-toxic, tasteless, no corrosion, anti-aging, weatherability ect.many advantages.Can be used widely in the ground or ground surface water supply pipeline where the water temperature is no more than 45 degree,is an ideal product of replacing zinc-plated steel pipe,cast iron pipe,tube of cement. Qingdao Yifeng Plastic Machinery Co.,Ltd.principal products（Website：http://www.yifengjixie.com）