In 2021, on the production line in the processing workshop of Yiling Pharmaceutical in Hebei Province.

In 2021, in the ultrafine extraction workshop and traditional Chinese medicine ultrafine grinding processing workshop production line of Hebei Yiling Pharmaceutical. This production line was designed and implemented by the Powder Engineering Research Laboratory of Tsinghua University. The installation and commissioning of this production line was completed on September 28 and trial production was carried out. The quality and fineness of trial production products meet the requirements, and the output per unit time is completed in excess of the standard, which is a complete success. Excellent technology, special equipment and reasonable layout provide satisfactory answers and experiences for customers' ultrafine processing of traditional Chinese medicine raw materials. It has received high praise and evaluation from customers and was given the honorary title of "excellent supplier".