Guilin Yingzhong Building Materials Trading Co., Ltd yapasa IS09001 quality management system certification, IS014001 Environmental Management System certification, uye ISO45001 Occupational Health and Safety Management System Sitifiketi ine pfungwa ye "tekinoroji kutanga, mhando yekutanga, manejimendi kutanga, uye chengetedzo. chekutanga".Iyo seti yeyakajairwa uye yakazara ISO manejimendi system yakamiswa kuti ive nechokwadi chakasimba kuyerera, kuomarara kwemhando yekuongorora uye kumira kweiyo bhizinesi manejimendi.
