With the implementation of the dual - carbon policy and the enforcement of GB19577 - 2024, the market is paying increasing attention to energy - saving products. To this end, after more than three years of research and development, Sujing Busch Air - conditioning has launched a variable - frequency air - suspended centrifugal chiller with dual - first - level energy efficiency, contributing to the achievement of carbon neutrality and the creation of a low - carbon and energy - saving central air - conditioning industry. As a product of new technology, the air - suspended variable - frequency centrifugal chiller performs excellently in aspects such as energy saving, noise reduction, oil - free design, stable operation, safety and reliability, and is increasingly attracting market attention