Qingdao Yifeng Plastic Machinery Co., Ltd.is specialized in the design,manufacturer of the PVC fiber enhancing soft pipe,also called gridding pipe and snake skin pipe which is mainly used to convey the middle pressure or corrosive gas and liquid,it is widely used in such areas as mechanical engineering,coal mine,petroleum,chemical industry,agriculture irrigation,building industry,civil application(solar energy water heater,gas cylinder),also it can be used in garden and lawn watering. Qingdao Yifeng Plastic Machinery Co., Ltd. principal products（Website：http://www.yifengjixie.com/en）HDPE HDPE vacuum corrugated pipe unit 、HDPE HDPE carbon fiber spiral coil unit、PVC plastic hard tube extruding production line、PE large-caliber insulated pipe production line 、Plastic extruding corrugated pipe unit with single-wall、PE and PP plastic thick board (slice) extruding production line、Plastic grid plate extruding production line（Website http://www.yifengjixie.com/en）