Shanghai Zhongze Yi Metal Materials Co., LTD.Ts'ebetso ea tlhahiso ea liphaephe tsa tšepe e sa hloekang: 1. Tokiso ea thepa e tala: Ho hlahisa liphaephe tsa tšepe tse sa hloekang ho qala ka ho khethoa ha lisebelisoa tsa boleng bo phahameng ba tšepe, hangata tse entsoeng ka tšepe, chromium, nickel, ma...
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