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專家姓名 Jin Yongping 性 別 Male 學(xué) 歷 college 年 齡 50 職 務(wù) Manager 所在地區(qū) Tianjin 技術(shù)職稱 特殊稱號 專業(yè)方向 Mainly dealing with sale of chromium salt ,our company is the first manufacturer of calcium-free baked sodium dichromate in China 所在單位 NeiMengGu technical school 技術(shù)服務(wù) 
I have been dealing with sale of chromium salt for 30 years sine 1976.We have a lot of experiences about marketing for Chromium market.
個(gè)人介紹