Z hang Xuewu is the chairman of Yanjin Shop Food (Yanker Shop), a Chinese snack food company based in Changsha, Hunan province. He founded the company in 2005, focusing on the development, production, and sales of traditional Chinese snacks like dried tofu, nuts, and baked goods. Zhang built the brand by emphasizing product quality and modernizing traditional snack manufacturing.

Under his leadership, Yanker Shop expanded its retail presence through partnerships with major supermarket chains like Walmart and Carrefour in China. The company went public on the Shenzhen Stock Exchange in 2017. Zhang continues to drive the company's growth by innovating product lines and expanding e-commerce channels. His success is a testament to the thriving domestic consumption market in China.