... raw materials supply1.1The main raw material of magnesium oxide board : Magnesium oxide,Magnesium chloride, None-woven fabric, Glassfirber.,Sawdust , ... Straws and Perlite1.2 magnesium oxide warehouse 1.3magnesium chloride solution pool(suggestion uses two ... weight is 120 kilos.2.2 magnesium chloride solution's measuring : in the pool magnesium chloride solution is ...