He led from the start and secured the manufacturers' championship for Citroen for the second year in a row.
There was heartache for home favourite and front-row qualifier Ma Qing Hua as he failed to get off the line.
Though he fought through the field in the hope of salvaging a podium, mechanical issues ultimately meant he retired with four laps to go, with question marks over his race two participation.
Yvan Muller and Sebastian Loeb had trouble-free races to round off the podium in second and third respectively in the other works Citroens.
Lada's Nicky Catsburg finished strongly in fourth position following his surprise Q3 appearance, but team-mate Rob Huff was taken out in a multi-car accident into the first corner that prompted a safety car period.
Tom Coronel's Chevrolet came off worst - left stranded in the middle of the circuit with only three wheels.
The accident also caused damage to the other ROAL Motorsport car of Tom Chilton, plus Jon Filippi and Gabriele Tarquini, all of whom retired as well as a result.
Norbert Michelisz finished in fifth despite his poor qualifying, ahead of Nicolas Lapierre and Tiago Monteiro.
Volvo gave the World Touring Car Championship a major boost when it announced it would enter the series, but its ambitions don't stop there. JACK COZENS examines its programme, the S60 and what its arrival means for the WTCC
The 2012 World Touring Car champion says he never had the money to race cars. Yet 2015 is his 11th season in the WTCC. He talks STUART CODLING through his journey from motorsport fan to paid professional - for little more than £100,000