Shandong Tongjia Machinery Co., Ltd, located in High-New Technology Industry Development Zone of Jining City, Shandong Province. We are a science, industry and trade integration modern large enterprise group, one of the largest professional manufacturer of plastic machinery in China, Top 3 enterprise of China plastic extrusion machinery industry in 2014, Vice President of China Plastics Machinery Industry Association, Vice President of China plastics Processing Industry Association, the National Key High-Tech Enterprises and China's Patent Star Enterprise.

Tongjia Machinery has fully been approved by the international management certification system, like ISO 9001: 2008, ISO 14000, ISO 18000, and has the "National polymer composites process technology and equipment research and development center" and "Physical foaming plastic mechanical engineering technology research center", constantly develop both the international and domestic advanced plastics machinery and new equipment of 9 series and more than 200 kinds of our own intellectual-property rights, and passed the European CE certification. They involve more than 370 patents that covers more than 100 patent for invention, are awarded for science and technology advancement in both Province class and national class, The Torch Plan Item of State, the Technological Innovation Foundation Item of State. Several products filled the domestic blank, and separately listed as national key new products. Products extend all over across China and more than 80 countries, register"TONGJIA" brand in 46 countries and areas, setting up "Tongjia" business office and technology service station in more than 20 countries and areas.

With the mind of "Trust comes from quality", Tongjia group with strong comprehensive strength, exquisite technology, perfect after-sale service system, as always, is willing to make progress together with customers from domestic and overseas to create new glories.