一、概况近几年来从国外引进了不少成套机械设备,其中也附有许多气功装置和系统。它们在生产实践中都发挥了很好的作用。目前有关单位正在进行试制和生产之中。气源净化装置也引进不少新产品,例如致冷式气源干燥器、除油器、除臭过滤器……等。这些产品目前国内没有专业气动元件厂生产。但是这些产品在国外应用很广泛,其中日本的中京电机CKD、 I. Overview In recent years, many sets of machinery and equipment have been imported from abroad, including many Qigong devices and systems. They all play a very good role in the production practice. At present, relevant units are under trial production and production. Air purification device also introduced a lot of new products, such as refrigeration air dryer, degreaser, deodorization filter ... ... and so on. These products currently do not have professional pneumatic components factory production. However, these products are widely used in foreign countries, including Japan, Beijing Electric CKD,