Kodi Round Sharing ERW chubu mill ndi chiyani? - ZTZG

Ukadaulo wa ZTZG wogwiritsa ntchito chubu chozungulira chopanga ma Roller ndi mtundu watsopano wa njira yopangira ERW Steel Pipe.Ukadaulo uwu ukhoza kugawanitsa zinyalala za gawo lopangira mapaipi ozungulira, zomwe zingathandize kusunga nthawi yosinthira ma roller ndikuwonjezera magwiridwe antchito.