Qingdao Vland Biotech Group Co., Ltd. Established in 2005, is a leading publicly listed biotechnology company in China Stock Code: 603739. With 30 subsidiaries, Vland focuses on the research, development, production, and marketing of enzyme preparations, probiotics, animal health products, and aquaculture solutions. Our product applications span across feed, food, textiles, biofuels, and environmental protection industries.