Guangdong JOOYN New Material Technology Co., Ltd. (Xi'an Zhuoyuan Electric Power Technology Co., Ltd. was officially renamed Guangdong Zhuoyuan New Material Technology Co., Ltd. on July 1, 2015) is a limited liability company established in accordance with the modern enterprise system. It is a national high-tech enterprise with a research institute - Zhongshan New R&D Institution. The company has long been committed to the research and development, production, and sales of environmentally friendly, renewable, and high-performance new natural ester insulating oils. As the leading product of the company, RAPO ® Natural ester insulating oil has currently obtained a national invention patent certificate (patent number: ZL201210353570. X) for "a technology for preparing environmentally friendly insulating oil from vegetable oil or recycled oil". The product performance has reached the international advanced level through product testing by the national authoritative testing institution - Xi'an Thermal Power Research Institute; The company's project was recommended by the Shaanxi Provincial Department of Science and Technology and reviewed by the Ministry of Science and Technology of China in 2014, and was included in the National 863 Program; At the beginning of 2017, the company's natural ester insulation oil production technology