YHT certified by ISO14001:2015 & OHSAS 18001:2007

Date:2019-01-18 Views:778

YHT was certified by GB/T 24001-2016 / ISO14001:2015 standard & GB/T 28001-2011 / OHSAS 18001:2007 standard.

Certificate of conformity of environmental management system certification 



Certificate  of conformity of occupational health and safety management system certification