Our radar level transmitters are used in the Yining project of China Qinghua Energy Group Co., Ltd. and have been operating well since it was put into operation. This project has achieved zero service, zero failure, and zero maintenance. Our products have got well appraised by customers and the two parties are very pleasant to cooperate with each other. China Qinghua Energy Group Co., Ltd. (hereinafter referred to as China Qinghua) is a large-scale specialized and modernized processing company that focuses on the production of coal-based clean energy and coal-based fine chemical products. It is responsible for the first batch of "coal-made natural gas" and the country's first "comprehensive use of coal quality" demonstration project task.