DunAn R513A Retrofit Project Passes Acceptance Inspection

In late March, the second phase of the hydrochlorofluorocarbon (HCFC) phase-out management plan of the industrial and commercial air conditioning and refrigeration (AC&R) industry – a retrofit project to substitute refrigerant R22 with refrigerant R513A in the screw chiller (heat pump) production line was undertaken by DunAn Artificial Environment. It has now passed onsite acceptance inspection in Zhuji, Zhejiang Province.