Umshini wokugaya ipayipi i-Erw, umshini wokwenza ipayipi i-erw ifektri-ZTZG

I-ZTZG ingumkhiqizi omkhulu kunabo bonke we-I-ERW PIPE GILLimishini eShayina, inezisekelo zayo ze-R&D, ukucubungula, kanye nokukhiqiza. Yasungulwa ngo-2000,I-ZTZG isibe khona iminyaka engama-25. Imikhiqizo yayo izinzile, ithembekile, inezinto ezintsha, futhi ithuthuke kakhulu kwezobuchwepheshe, okukuvumela ukuthi wonge izindleko ezinkulu zabasebenzi futhi uthuthukise ukusebenza kahle.