API 5L PSL1 X52 ERW Steel Pipe yimveliso esetyenziswa kakhulu kwi-oyile, igesi, kunye namashishini amandla. Eyaziwa ngokuba namandla aphezulu, ukuqina, kunye nokuchasana neendawo ezinzima, lo mbhobho wensimbi udlala indima ebalulekileyo kwiinkqubo zokuthutha kunye neeprojekthi zeziseko. Kweli nqaku, siza kuphonononga...
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