... acid exist in the system Nanjing JLHB Environmental Technology Development Co., Ltd is specialized in refrigeration equipment production in east ... meters) and two factories(one is located in Yongyang Industrial Park, Lishui, Nanjing with an area of 20000 square ... lipid oil, Alkyl benzene oil, mineral oil and the refrigeration system. The principle of periodic evaporation can liquefy carbon deposition, ...