Since the implementation of the national clean heating reform, excellent results have been achieved. With the gradual optimization of the air environment, the people around Beijing and Hebei have finally not been submerged in the smog, replaced by high-quality air and blue sky. In order to further promote the upgrading of new technologies for clean heating and promote the application of new products and new equipment, November 14th, the 14th North China Boiler HVAC Equipment Exhibition, which is known as the wind vane of the world environmental protection boiler HVAC industry ( Referred to as IBE), it was held in Hebei Shijiazhuang International Expo Center.