HDSC is a professional high-tech enterprise which was founded in Feb.1999. We are generally specialized in manufacturing the measurement and control equipment for thermal power plants. And we also offer the service for petrochemical factories, various industrial and mining enterprises. Because of the high quality, our products have been used by more than 300 enterprises in China. And we’ve got a lot of praises and reputations from our customers. We’ve acquired 13 patents and 16 intellectual properties until now. In June, 2005, we acquired import-export authority. In June, 2010, we became one number of ABMA. And Our ODM product silo looser has been sold to Turkey, Australia, Indonesia, India etc. Our primary products are boiler drum level gauges and silo looser. For the top technology on measuring the drum level, we’ve got many certificates and honors on this subject. Based on the merits of the traditional water gauges, we designed and produced the new WDP series bi-color water level gauge, conductivity electrode type level indicator and differential pressure level gauge.