At the beginning of 2022, the lactic acid project with annual output capacity of 50,000 tons provided by Oushangyuan (Tianjin) Co., Ltd. went into operation smoothly and produced qualified product. Jingliang Longjiang Bioengineering Co., Ltd. produces three different grades (Thermal stability grade, Refinery grade and material grade) of lactic acid for different industries. At present, the production line is running at full capacity and the products are up to standard. Advanced production technology, high-quality equipment and precise process control, perfect to achieve the expected goals and received the satisfaction feedback from the customer.