YONGJIE esale e le indastering ea mochini oa pelletizing ea polasetiki ho tloha ka 2001 mme e qalile ho romela kantle ho naha ho tloha 2004. Feme ea rona e akaretsa naha eohle ea lisekoere-mithara tse 20,000.Re na le baenjiniere ba 10 ba nang le phihlelo, ba qetileng lilemo tse fetang 20 indastering ea polasetiki ea extruder, le basebetsi ba 60 ba rarahaneng ba theknoloji.

Re na le lisebelisoa tse 15 tsa metjhini e sebetsang bakeng sa tlhahiso ea li-screws le libarele, li-gearbox, joalo-joalo (likarolo tsa bohlokoa le theknoloji ea mochini oa polasetiki oa pelletizing), ho kenyelletsa le mechini e 'meli ea CNC bakeng sa kalafo e nepahetseng ea likarolo tsa mochini.'Me tlhahiso ea khoeli le khoeli ea li-extruder tsa polasetiki e fihla ho lihlopha tse 20.

Feme ea rona e netefalitsoe ho ISO9001: 2008, 'me mechini eohle ea rona e lumellana le maemo a CE.