Qingdao Sincere Machinery Co., Ltd.  

HDPE Spiral Winding Pipe Extrusion Line, Structural Wall Spiral Pipe Production Lines, PE/PP Water Tank Production Machine, PE/PPR/PP/Pert/PVC Water Pipe Production Line, PE/PP/PVDF/ABS Sheet/Plate/Board Machine, PE PP PVC Recycling Pelletizing Line, Plastic Pipe Threading Welding Machine, Spiral Corrugated Pipe Extrusion Machine, Plastic Mbbr Biomedia Manufacturing Machine, PE PVC WPC Decoration Profile Extrusion Line