Clean Energy Technologies, Inc. designs, produces, and markets clean energy products and integrated solutions that focuses on energy efficiency and renewable energy in the United States and internationally. The company operates through four segments: Clean Energy HRS & CETY Europe, CETY Renewables Waste to Energy Solutions, Engineering and Manufacturing Business, and CETY HK. It offers Clean Cycle generator, which captures wasted heat and converts it into electricity. The company also converts waste materials from manufacturing, agriculture, wastewater treatment plants and other industries to electricity, renewable natural gas, hydrogen, and biochar. In addition, it offers engineering, consulting, and project management solutions. Further, the company is involved in sourcing and suppling of natural gas to industries and municipalities located in the southern part of Sichuan Province and portions of Yunnan Province. The company was formerly known as Probe Manufacturing, Inc. and changed its name to Clean Energy Technologies, Inc. in November 2015. The company was founded in 1993 and is headquartered in Irvine, California.