Hebei Ruixin Jinhua New Energy Technology Co., Ltd. invested RMB 320 million in 2015 to build a 100,000-ton/year crude benzene hydrotreating project in two phases; in 2016, it invested RMB 120 million in equipment and manufacturing in District A of Fengfeng Mining Area. "Triazole, piperidone production project." In the early stage of the project, the technical personnel of ZOZEN boiler went to the customer site for field visits to help the customer analyze the equipment occupation area and site space planning. What’s more, the need of steam in the process must be high-temperature and stable. In the end, ZOZEN boiler design a thermal oil heater with a rated thermal power of 20 million kcal to the project for the customer. The boiler adopts ejected forced circulation system, it has a complete control system and safety monitoring device that can accurately control the working temperature and safeguard safety operation.