Beijing Yingherui Environmental Technology Co., Ltd. (also known as YHR) was established in 2005，which is a national high-tech enterprise focusing on the technology R&D, production and sales of environmental protection equipment, biogas project EPC and biogas project investment and operation. YHR always focusing on agriculture product manufacturing, technology R&D and promotion in the fields of agricultural organic waste utilization, livestock wastewater treatment, high concentrated organic wastewater anaerobic technology, etc.. YHR is the benchmark for China's Glass-Fused-to-Steel Tanks, and also the leading company of China's biogas field.