In April 2008, production division pass technological transformation for two month, produce first high-quality GBL (electric capacity class of 99.9% min). Through the test of the chemical reagent research institute of Beijing, every index is superior to importing GBL similarly. Have been approved by chemical reagent research institute of Beijing and used. Therefore, the chemical reagent research institute of Beijing has become domestic first unit using our company’s GBL to make the electrolytic liquid of condenser.