Lithaele tsa ZSR li entsoe ka liminerale tse khethiloeng tsa tlhaho e le thepa ea eona e tala
E sebelisoa ho mokhabiso oa marako a ka hare le a ka ntle a mehaho
Lithaele tsa ZSR Ka lethathamo le felletseng la litlhaloso tse fapaneng
Lithaele tsa ZSR li ikemiselitse ho tsoela pele ho ntlafatsa boleng ba sehlahisoa
Lithaele tsa ZSR li na le litifikeiti tsa ISO9001, ISO14001, EN CE 14411 joalo-joalo.
