On March 20, the medium-pressure steam pipeline of "South Line Heating" (DN500) invested and constructed by Zhonghuan Huanhui (Boai) Energy Conservation & Thermal Co., Ltd. and in charge by CR Power Jiaozuo Co., Ltd. was officially put into operation. The total length of the pipeline is 4.8 kilometers, covering the industrial cluster in Bo'ai County. While fully meeting the steam demand of enterprises along the way, it also provides a strong guarantee for the medium-pressure steam demand of the industrial cluster in Bo'ai County in the past 3-5 years.