With the continuous development of the R&D department that is constantly inventing Continuous research and product development has led Bluestone to have many products in its own production line, such as EV Charger, Surge Protection with Monitoring System, Surge counter, as well as Software Service such as Web Monitoring System by expert engineer Has a long working experience Every product will focus on quality. and safety in customer use is important It also answers the needs of the electrical industry market in a comprehensive way. With a team that has potential combined with modern innovations In addition, selecting only quality equipment. You can be confident that every product of BLUESTONE is safe. and meets international standards