Legal. According to Tianyancha, Shandong Yihan New Energy Technology Co., Ltd. was established in 2016 and is a company with legal experience, so its fuel is legal. Yihan New Energy Fuel Oil is produced by a national high-tech enterprise. The factory covers an area of ??nearly 60,000 square meters. All relevant qualifications are complete and legal and compliant. The product uses gutter oil as raw material. It is colorless and odorless, clean and environmentally friendly, with a calorific value of 11,500 and a flash point. More than 60, it will not burn when exposed to open fire, safe and stable.