ZHEJIANG DUN'AN ARTIFICIAL ENVIRONMENT CO., LTD is a China-based company principally engaged in the research and development, manufacture and sales of refrigeration accessories and refrigeration equipment. The Company's refrigeration accessories include four-way valves, stop valves, magnetic valves, pipeline integration assemblies, reservoirs and heat exchangers, among others. Its refrigeration equipment products include water chilling units, unitary products, nuclear heating and ventilation system units and air conditioning terminals, among others. The Company also provides energy saving system solutions, which mainly include industrial waste heat utilization solutions, among others. The Company operates businesses in both domestic and overseas markets.