According to domestic market, series of techniques to produce high grade paving asphalts and other asphalt products from domestic and imported crude oils were developed in recent years.

• 在近几年的研究开发工作中,该院密切注意石油沥青技术的发展动向与市场应用情况,并结合国内外原油情况,开发了包括高等级道路沥青在内的系列沥青产品生产技术。