There are 6-7 large and small companies, and the largest one is the extraction branch of Harbin Le Tai Pharmaceutical Co., Ltd. which passed GMP certification in 2003. It is one of the large-scale high-tech Chinese medicine extraction enterprises in Heilongjiang Province, with more than 0/00 sets of domestic advanced extraction equipment and supporting system engineering facilities, which is more suitable for the needs of various production processes combining traditional Chinese medicine extraction technology with some modern high technologies. The annual production capacity is 1200 tons of traditional Chinese medicine. Our company specializes in providing traditional Chinese medicine raw materials for all kinds of traditional Chinese medicine manufacturers. Through extraction, concentration, separation, refining and purification, it becomes an intermediate raw material for the production of pharmaceutical dosage forms. According to GMP standard and extraction technology, our company has set up multifunctional extraction tank group, intelligent bidirectional countercurrent extraction tank group, external circulation concentration tank group, high-speed centrifugal tank group, spray drying tank group, alcohol extraction tank group and water settling tank group, and each tank group is equipped with corresponding liquid storage tanks. In particular, the intelligent bidirectional countercurrent extraction tank group has advanced on-line analysis, automatic control device for process conditions and conventional extraction equipment.