Wuxi Hongyi Plastic Cement Machinery Co., Ltd. Was registered in2002. Hongyi is a plastic machinery manufacture enterprise integrating R&D, manufacturing and marketing. We have advanced process equipments, abundant tech-nique power for manufacturing and designing, first-class workmanship and perfect detecting instruments. We have a strictly quality control system. Our company has skilled experts who researched the environment-friendly plastic crust foam board production line, which structural performance leads the authorities among competitors. We have applied for national patent and intellectual property rights. Our extruders cover more than 40 kinds of final products. Include SJSZ series conical twin screws extruder, single screw plastic extruder, co-extruder, PVC profile extrusion line, PVC wood plastic profile extrusion line, PVC foam board production line, PVC wall panel extrusion line, APC flooring parallel twin screw extrusion line and its down streams.