Shanghai Zhongze Yi Metal Materials Co., LTD.Inkqubo yokuvelisa umbhobho wensimbi engenasici: 1. Ukulungiswa kwezinto ezikrwada: Ukuveliswa kwemibhobho yensimbi engenasici iqala ngokukhethwa kwezinto eziphezulu zensimbi ezingenasici, ngokuqhelekileyo zenziwe ngentsimbi, i-chromium, i-nickel, i-ma...
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