PT Kimia Yasa was establish in 2001 specialize in chemical trading especially petrochemical. Our expertise in chemical trading is fully supported by our fully experienced staff. We have strong experience in petrochemical related product such as solvent, base oil, rubber processing oil and Liquid Petroleum Gas.To achieve significant growth in the future we have dedicated ourself in strict control of product quality. We have significantly maintained excellent relationship with major player in the field throughout Indonesia.There are five specific categories of base oils. These categories define the type of base stock the oil is formulated from. The categories are as follows. Note that the base oil group category is followed by the manufacturing method (in bold print) and then a description of the oil characteristics for each category.Group I - Solvent Freezing: Group 1 base oils are the least refined of all the groups. They are usually a mix of different hydrocarbon chains with little or no uniformity. While some automotive oils on the market use Group I stocks, they are generally used in less demanding applications.