Our upcoming new air-conditioninheat pumpg safety standards, the use of flammable refrigerants will be included in the national standard, and
environmental protection refrigerant replacement will also enter a new stage.

Since 2013, developing countries also began to gradually use freezing HCFCs, refrigerant replacement work in all around the world have been on the agenda, more than 10 countries and regions in the recent issued new rules for refrigerant heat pumpused.
 
Since 2007, the UN Montreal multheat pumpilateral fund to promote environmental protection refrigerant replacement process, forming a batch of demonstration projects, and provide financial and technical support for the project. So, today, in the new stage of environmental protection refrigerant replacement, who has the support of UN recognition and demonstration, project progress, and what results?