... and sugar-made. 2.High efficiency. Main purposes: 1.Chemical industry: gy psum,ammonium,Glauber's salt,iron sulphate copper ... raw plastic,soap,fat,various resins and other chemical products. 2.Foodstuff industry: salt,monosodium glutam ate,foodstuff additive,chemicalflavouring, ... as weed killer,vermifuge,etc. 4.Mining and metallurgical industry mineral products in copper,zinc and aluminium etc,and ...