Certificate Standard: GB/T 19001-2008 / ISO9001:2008
Issued By: The Quality Management System





Certificate Standard: GB/T28001-2011/OHSAS 18001:2007
Issued By: The Occupational Health and Safety Management System



Certificate Standard: 
GB/T24001-2004 / OHSAS 14001:2004
Issued By: The Environmental Management System