Zhongshan Huangpu Guoyu Plastic Products Factory yog kev tsim cov thawv yas rau cov tshuaj pleev ib ce, kev lag luam, cov khoom siv hluav taws xob, cov khoom ua si tshuab, cov khoom siv niaj hnub sib koom ua ke kev tsim kho, tsim thiab muag. taub hau thiab lwm yam khoom siv yas.