Nanjing Rubber and Plastics Machinery Plant Co., Ltd. was founded in 1959 as one of the first enterprises in China specialized in designing and manufacturing rubber and plastics machineries. Since 1981 we have gained many patents and awards in screw extrusion and pelletization field. In 1982, we developed the first twin screw extruder in China. Up to now, we have made over 4200 sets of extrusion lines which are currently running both at home and abroad.