Lutan Pharmaceutical Co., Ltd. is mainly engaged in research and development, manufacturing and sales of preparation products. The main product of Lutan Pharmaceutical Co., Ltd. is Gai Ke (paracetamol and dihydrocodeine tablets), which is the only compound tablet of dihydrocodeine in China and the most advanced analgesic in the world. Ludwig (domperidone tablets) is the first choice for gastric motility, and it is one of the drugs with the largest annual sales volume in China.