... 2,Stable 3,No poisonous Nanjing JLHB Environmental Technology Development Co., Ltd is specialized in refrigeration equipment production in east China and Jiangsu province ... in replacing R22&R502. It has a good nature of cleaning, low poison, non-combustion, good-refrigeration and so on, and ... heat of liquid, 30°C[KJ/(kg.k)]1.72 Environmental refrigerant R410A, Jindian