20191126 ensp 0183 enspGypsum industry events news amp research Global Gypsum Uzbekistan Knauf holds a 70 share in the gypsum wallboard market The German building materials producer sold 22 8Mm 2 of wallboard in 2017 according to the Trend News Agency It increased the production capacity of its Bukhara wallboard plant in mid2018 by 30 with an investment of US 22m …