Zhongyun Science and Research Co., Ltd. has rich experience in developing and manufacturing the plastic pipe production lines, and it is a very creative company, numerous innovative technology and solutions for the production of plastic pipes have been applied extensively in many plastic pipe production lines, such as PE/PP/PVC double wall corrugated pipe production lines and PE/PP/PVC solid wall pipe production lines, etc. Zhongyun Science and Research Co., Ltd. is a wholly-owned subsidiary of Zhongyun Group, it can provide customers with comprehensive technology and solutions for the production of plastic pipes. Its main scope of business is developing and manufacturing series of PE/PP/PVC double wall corrugated pipe production line which can be used to produce PE/PP/PVC double wall corrugated pipes with diameter from 50mm to 2,400mm, series of PE/PP/PVC solid wall pipe production line which can be used to produce PE/PP/PVC solid wall pipes with diameter from 16mm to 1,600mm, as well as other plastic pipe production line. All the component equipments, from the high-efficient extruders used for the extruding and feeding unit to the downstream auxiliary equipments, are developed and manufactured by Zhongyun. That means: all the component equipments of your production line have extremely high compatibility and coordination, and you need not worry about the trivial and complicated negotiating with different equipment manufacturers in case of your equipments appear troubles in running, because in terms of our production line, you can get full set of solutions to all the possible problems only through contacting us. This will greatly raise your convenience of using the equipments, keep your high production efficiency and low cost for maintaining the equipments, and finally promote your competitive power in the market. email:[email protected]