Established in Jan. 1996, Dazhong Taxi Operation Co. has 11 branches, one dispatching center and possesses more than 7,200 operating vehicles. In Dec. 1997, the company obtained the certificate of ISO 9002 service quality system. For two consecutive years the company was awarded the titles of "Standard Service Unit" and "Shanghai Municipal Model Unit"; it was also entitled "the National Civilized Service Demonstration Window" by the State Construction Department. For nine consecutive quarters from the second half of 1999 to the year 2001, the company has gained the highest mark in terms of "passenger satisfaction index" in the taxi industry.