Ice has the advantages of steel.

Good heat resistance, high mechanical strength, good durability, not easy to age, not easy to damage, not easy to be contaminated with dust and dirt.

Steel is a kind of metal material, but its disadvantages are that it is not easy to be molded, can not be colored or made into transparent products as needed, is easy to rust, is easy to transfer heat, has poor heat preservation performance and light transmittance, and has high production cost.

The multifunctional super-large carbon dioxide direct evaporation refrigeration ice-making system that meets the requirements of the Winter Olympics is the most proud' secret weapon' of Ice Belt.

The system can meet the needs of different ice sports. This ice-making refrigeration technology can not only provide a highly balanced ice surface for the Winter Olympics, but also use the residual heat generated by refrigeration for dehumidification, ice surface maintenance and domestic hot water in the venue through the intelligent energy management system of the venue. In the all-ice mode, only the refrigeration part can save more than 2 million kilowatt hours per year.