Chassis workshop is good. Chassis workshop is responsible for the production and assembly of automobile chassis, including suspension system, transmission system and steering system. Chassis is the core component of automobile, which directly affects the handling, stability and ride comfort of the vehicle, while SAIC resin workshop is only responsible for the production and supply of automobile-related plastic products. SAIC Resin is a chemical company under the SAIC Group in China. SAIC Resin was formally established in 2007, and its headquarters is located in Shanghai, China.