Qingdao Weier Plastic Machinery Co., Ltd is engaged in macromolecule science and producing plastic machineries.

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.

Based of extensive 10+ years experience in the field of plastic extruder machinery technology our business activities are as follows:

Anhui Polysen Extrusion Technology Co., Ltd. is located in Anhui Tongling city. We focus on the providing the extrusion solution to all over the world customer. The production and selling of extrusion lines is Anhui Polysen's "core business". The solutions provided by Polysen always meet high productivity standards and are easy to use, durable, and versatile. We can provide all customer's customized services to meet different customer's different needs. Now Anhui Polysen is an international, specialized and modern enterprise that owns a 5, 000 square meter factory, a professional design and development team, and complete sales and after-sales service to all customers.

Qingdao Hegu Wood-Plastic Machinery Co., Ltd. Is a joint-stock private enterprise, which is devoting itself to the research, development and production of various wood plastic machine and products, it is always making innovations and keeping up with the times.

Qingdao EA Huabang Instrument Co., Ltd. Professionally makes various types of portable concrete mixer.