Luoyang Youhui Environmental Protection Equipment Co., Ltd. is a high-tech enterprise established in December 2008. Located in Luoyang National High-tech Industrial Development Zone, it is a key enterprise specializing in the research and development of complete sets of waste mineral oil recycling equipment integrating scientific research, design, production, installation and commissioning. Three invention patents have been obtained, and 21 new patents have been used. Passed ISO9001 certification and EU CE certification. The company has a registered capital of RMB 8.6 million and has completed 17 domestic and foreign waste oil recycling projects.