O le nofoaga autu QC o Xinglu vailaʻau ua faʻapipiʻiina i le HPLC maualuga, GC ma isi meafaigāluega suʻesuʻe. Ua matou pasia le ISO9001 faʻamaonia, faʻapea foʻi ma le faʻatuina o se faʻatonuga lelei atoatoa e faʻamautinoa ai le lelei o le gaosiga, faʻamautu ma pulea.
