After returning to China in June 2000, Ark International Software (Ningbo) Co., Ltd. was established in partnership with Tan Yi and other Internet veterans, engaged in the development of Internet software products. Later, due to the unclear business model, they broke up. In 2005, Shenzhen Talent Introduction Office assisted the whole family to settle in Shenzhen. From 2005 to 2009, I worked in China Merchants International Information Technology Co., Ltd., a subsidiary of China Merchants Group, a large state-owned enterprise, as the main project manager, responsible for the demand analysis and project management of port community information system and terminal operation management system. Since July 2009, he has participated in the establishment of Shenzhen Baokailun Technology Co., Ltd., responsible for the R&D management and market development of in vitro diagnostic reagents and food safety testing core reagents. In 2009, he was awarded a senior title. As a technical inventor, he has applied for 6 invention patents and 3 utility models. Professional fields involve chemical industry, intelligent transportation and biotechnology.