ZHEJIANG DUN'AN ARTIFICIAL ENVIRONMENT CO., LTD is principally engaged in the manufacture and sale of refrigeration accessories and refrigeration equipment. The Company�s refrigeration accessories include household air conditioning parts, compressor parts and large scale refrigeration equipment accessories. Its refrigeration equipment includes commercial air conditionings, engine room and track air conditionings, nuclear grade air conditionings, industrial fans, heat exchangers and others. The Company also engages in the energy saving industry, such as renewable energy heating business. The Company distributes its refrigeration products in domestic market and to overseas markets. On May 14, 2014, it acquired the remaining 38% stake in Dun'An (Tianjin) Energy Saving System Co Ltd. After that, it held a 100% stake in Dun'An (Tianjin) Energy Saving System Co Ltd.