Nanjing Yongjie Chemical & Machinery Equipment Co., Ltd.nrhiav tau nyob rau hauv 2001, yog tshwj xeeb hauv R & D, ntau lawm thiab kev pab cuam ntawm yas pelletizing tshuab.Peb cov chaw tsim khoom npog thaj tsam ntawm 20,000 square metres ntawm peb tus kheej thaj av, nrog cov khoom siv txhua hli ntawm lub tshuab 20sets.Lub Hoobkas tau ntawv pov thawj rau CE, ISO9001: 2008.