Recently RS catalystprovided by Sinopec Catalyst Co., Ltd. has been applied in the dieselhydrogenation units of Sinopec Shanghai Gaoqiao Petrochemical Company to ensuresuccessful operation in one time, which satisfies the requirements forproducing the motor vehicle diesel (V) with sulfur content less than 10ppm,indicating the comprehensive completion and operation of the diesel qualityupgrade project.