Pin-barrel Cold-feed Extruder，China Dalian second Rubber & Plastics Machinery Co., Ltd. was founded in 1972. The company covers an area of 15,0000 square meters, the total number of employees 530 people, including production workers: 440 people, engineering and research staff: 86 people. Industrial output value: 150 million yuan. Main products has: China internal mixer, China Open mill, China Dispersion kneader, Banbury mixer, Mixing mill, Rubber kneader, Rubber calender etc.