Adams Chemical Co., Ltd. Daqing Ottawa research and development and production of de-aromatic solvent oil, petroleum products by hydrotreating desulfurization, denitrification, removal of taste and distillation obtained after the environment-friendly products. They have low viscosity, low aromatics content, low sulfur, nitrogen content, non-toxic, tasteless, colorless, narrow distillation range and other characteristics, good chemical stability and solubility selectivity. High-grade lubricating oil for the manufacture and various fine chemicals, home health insecticide aerosol, pesticide emulsifier.