manufacturer which are both local & exported distributions. The premise is consisted of two plants as Plant No.1 and Plant No.2 with the same production method. Presently the production capacity of Silica is 1,700 tons/ month and 1,650 tons/ month for Plant No.1 and Plant No.2, respectively. Main raw materials are supplied as Sodium Silicate and Sulfuric Acid which are 80% imported from Overseas (mainly China). The rest are local suppliers