Shandong Sheng Wo Plastic Machinery Technology Co., Ltd., is the largest enterprise engaging in the professional research and development, production and sales of the injection molding machine in North. It locates at Hi-tech Development Zone, Laiwu City, Shandong Province. Since its establishment, it has invested heavily in new product research and development and established a technology research and development center jointly with Beijing University of Chemical Technology and Shandong University of Technology. it owns 30 authorized patents approved and has successfully researched and developed three series of precision injection molding machine such as "DS, JS and ZS" as well as more than 40 specifications and models of products. The fully electric energy-saving type precision injection molding machine successfully researched and developed by the enterprise passes through the authoritative testing by National Quality Supervision and Inspection Center of Plastic Machinery and its energy saving effect reaches the highest standard (Class I) in China, in 2011, it was awarded as the "Shandong Famous Brand" product. While continuously strengthening the internal management, the enterprise has successively passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, GB-T28001 Occupational Health and Safety Management System Certification and CE Certification.