is the only supplier with dedicated Electrolytic Manganese Dioxide (EMD) production facilities in the U.S. and China, the two largest alkal su’s range of EMD products are specifically designed for high performance alkaline dry cell batteries. All EMD products are high activity gamma MnO22.13.3 Guangxi Non-Ferrous Metals Group Huiyuan Manganese Industry Manganese Dioxide for Battery Product and Services. 2.13.4 Guangxi Non-Ferrous Metals Group Huiyuan Manganese Industry Manganese Dioxide for Battery Sales, Price, Revenue, Gross Margin and Market Share ) 2.14 Hu Jinlong Manganese IndustryErachem is the Mangan Erachem is supplier for Manganese dioxide. We provide Manganous oxide as well. More than 30 years of expertise and high quality Manganese based products, at the heart of numerous industries, supplying the products of today and tomorrow.Degassed Electrolytic Chromium Powder / Degassed E-Cr Powder. Formula: Cr CAS No.:-3 Appearance: Silver gray metal powder Properties: Non-toxic, odorless. Application: 1) Chromium applies to the metal ceramic, hard alloy, diamond tool, semiconductor, conductive, coating, chemical catalysts, solar energy absorber etc.