Dear Sir : I am a chemical engineer?and I have engaged in fine chemical products for 16 years?now I set up a chemical trade company? Our company mainly sells petrochemical products, such as petroleum resin and oil additives and catalysts?such as octane boostor?cetane number improver?Antioxidant and Metallocene Catalyst(Titanocene Dichloride)?if you have any need please let me know maybe I can help you?I will use my professional knowledge to help you to Control the quality of the goods?I will do everything I can to help you? Best Regards ! Roy Wang