Akatswiri opanga zoseweretsa zomangira ndi ogulitsa
Chitsimikizo cha Quality Management Systems
GB/T 19001-2016/ISO 9001:2015
Satifiketi ya Environmental Management Systems
GB/T 24001-2016/ISO 14001:2015
Satifiketi ya Occupational Health and Safety Management Systems
GB/T 45001-2020/ISO 45001:2018