From September 19 to 22, 2007, sponsored by China Plastics Machinery Industry Association, undertook by Beijing University of Chemical Technology Plastic Machinery Research Institute and other units, co-organized by China Youli Holding Group Co., Ltd., China Haitian Group Co., Ltd. and New Sansi Group Co., Ltd. "PPTS China·International Plastics Processing Technology Summit Forum" September 19-22, 2007, sponsored by China Plastics Machinery Industry Association, Beijing University of Chemical Technology Plastic Machinery Research Institute and other units, China Youli Holding Group Co., Ltd., China Haitian "PPTS China·International Plastics Processing Technology Summit Forum" co-organized by the Group Co., Ltd. and New Sansi Group Co., Ltd.