... 2,Stable 3,No poisonous Nanjing JLHB Environmental Technology Development Co., Ltd is specialized in refrigeration equipment production in east China ... , Lishui, Nanjing with an area of 20000 square meters, mainly manufacturing heat exchangers; another is in No.36, Runqi Road, Jiangning ... heat of liquid, 30°C[KJ/(kg.k)]1.72 Environmental refrigerant R410A, Jindian