No Mobil China Investment Co., Ltd. is a research and development center or department set up in China, engaged in the research and development of new products and technologies. Exxon Mobil is the world's leading petroleum and petrochemical company, and the relationship between them is not the parent company. The relationship between the parent company and the subsidiary company is that although the subsidiary company has legal personality and can independently bear civil liability according to law, the parent company is also an independent legal person.