Zhongtai is one of the a few providers that have both LNG/GPP process technology and cold box. Zhongtai's reference projects include Changqing Oilfield, Tianjin Dagang Oilfield, Tuha Oilfield, etc., as well as more than 100 cores of heat exchanger for natural gas liquid industry exported to the United States of America. Among them, the cold boxes of 60 million Nm3/day ethane recovery unit in Shanggu, Changqing Oilfield, the largest natural gas processing and utilization project in China, is also the first set of cold box packages to be used in big capacity GPP plant with MRC process.