Nanjing Yongjie Chemical & Machinery Equipment Co., LTD. E thehiloe ka 2001, e ikhethile ho R&D, tlhahiso le ts'ebeletso ea mochini oa polasetiki oa pelletizing. Moetsi oa rona o akaretsa sebaka sa lisekoere-mithara tse 20,000 naheng ea rona, ka tlhahiso ea khoeli le khoeli ea mochini oa 20sets. Feme e netefalitsoe ho CE, ISO9001:2008.
The twin-screw extruder e arotsoe ka mofuta o kopanelang le mofuta o sa kopaneleng ho ea ka maemo a amanang le li-screw tse peli. Mofuta oa marang-rang o arotsoe ka mofuta oa marang-rang le mofuta o felletseng oa marang-rang ho latela tekanyo ea meshing. The twin-screw extruder e arotsoe ka mefuta e 'meli: sekoti se bilikang se ts'oanang le sekoti se bilikang se ka morao ho latela tataiso ea screw rotating.