Henan Ouber Technology Co., Ltd. is an innovative enterprise whose main business is the development and sales of fullerene materials, OLED materials and pharmaceutical intermediates. The company was founded by doctors who have been cultivating fine chemicals for many years. The research and development team is led by two doctors and one graduate student. The company has set up a strict quality control system. From the raw material storage to the finished product storage, there are specific personn to test and retain samples to ensure the quality stability and traceability of each link from the source. ...