In 2017, Yingcai Ma joined JD Group as a school recruiter. In the first two years, he traded Lenovo, Lemon, ZUK, Motorola, 360 and other mobile phone brands. He also won the Group's Best Sales Elite Award in 2018 with the trading results of 360 mobile phone brands. In 2019, he officially became a manager and made a project "Dongxiaodian" with annual sales of 3.5 billion yuan from 0 to 1. In 2020, "Dongxiaodian" became the top 3 social e-commerce platform in the industry, and won the top ten thinkers of the actual science and technology of the year, and the team won the JD Innovation Dark Horse Award. He also began to teach abroad, and won the gold medal lecturer of JD Group, the annual excellent lecturer of China Trainer Magazine, CAF professional guide, etc. In 2021-2022, the organization needs to come from the 3C business group to the shopping mall business group to be responsible for agricultural specialty business and rural revitalization business, from 0 to 1. Agricultural specialties in 2,000 counties and cities opened stores, helping a total of 5 million farmers generate income. During this period, they won the Yunnan Provincial People's Government, the Yunnan Provincial Committee of the Communist Youth League, the Beijing Municipal Committee of the Communist Youth League, the Rural Revitalization Bureau, etc. In 2023, he was responsible for the business of Jingdong National Pavilion. From 0 to 1, he has achieved the opening of more than 100 national pavilions. At the beginning of the year, he undertoo the "China-Africa Good Things Festival" activity of the Ministry of Commerce was reported by the e-commerce department and received an important affirmation from Minister Wang Wentao of the Ministry of Commerce.

In 2024, he began to trade and drink grains, and actively invited the brand to do traceability live broadcast, so that users have a sense of faith in the brand. At the same time, he also invited the star She Shiman and others to explain grain knowledge and spread the concept of health care.