Sango kuYantai, ine nhoroondo yezvechiteshi chesango, ine huwandu hwemakore makumi mana pakugadzira masimba ehunyanzvi, kuongororwa kwakazara uye kusimbiswa, kune iso9001 uye tuv ce uye neyesedzero dzekuzvidzora Import uye kunze kwenyika. Zvino, kambani inzvimbo yeChina yeChina National Sango Scorry Subiner Chikwereti Enterprise Certification system uye hi-tech Enterprise.
. Inogona kuona kubhururuka kweiyo basa rekushanda kana ichimanikidzwa, uye kumanikidzwa kudivi uye kumberi kunogona kudzivirira kukotama uye kurwisa-kurwisa, zvekuti glue nejoinhi inogona kusvika mamiriro.