1. Accountable to preform R&D tasks in products group such as Drilling fluids - Rheology Modifiers, Emulsifier, Wetting representative, Biocides, Defoamers, Lubricants, Corrosion preventions, Shale Stabilizers, Boring slimmers, and so on,.
2. Sealing additives - Concrete retarders, Liquid loss ingr...