Ash Content% = 0.30 Protein = 0.10 Freckle( ? / Square meter) = 3.00 Degree of fineness 150Â µ m pass rate% = 99.6 Whiteness 457nm blue light refleting% = 92.0 Ph 6.0-8.0 Total number of....
Helsein SA private investment project was established in 2006 in Cameroon registered under the ministry of Commerce and Industry in Cameroon with activities which involves manufacturing and exporting....