After 70 days of struggle, “DIVBOAIR” people with professional technology and a serious and responsible spirit, with the cooperation of the owner, the company successfully restored two large-scale compressed heat adsorption drying machines (capacity: 500m3 min 0.7 mpa) in the Compressed air system for the famous state-owned enterprises. The equipment is now in good operation to meet the highest requirements of customers, to provide a guarantee for customer safety in production.