Izintambo zensimbi ziyizingxenye ezibalulekile ezimbonini ezihlukahlukene, futhi i-Tianjin Royal Steel, eyingxenye yeRoyal Group, ingumhlinzeki oholayo wezinsimbi zensimbi zekhwalithi ephezulu.Noma ngabe udinga izinduku zensimbi ezithambile, izinsimbi zensimbi ye-carbon steel, noma izinduku zensimbi ezigobayo, i-Tianjin Royal Stee...
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