Saint Firstman Manufacturing Group, with daughter compamies such as Nanjing Saint Firstman Science & Technology Co.,Ltd., Nanjing Coldting Solar Air Conditioner Co.,Ltd., etc., is one main spplier of solar air conditioner, solar irrigation ystem, solar refrigeration system, small solar power system, earth source heat pump, and glass wool, rock wool, foam glass, and ceramic wool, etc.business in China. Saint Firstman has been engaged in the research and manufacture of solar air conditioner, ...