Hongxing instrument factory specializes in temperature controlling instrument. More than 60 series and 500 specifications, our instruments adopt advanced technology, and have been proved multifunctional. The intelligence instrument provides fuzzy control, self-adjustment, and data- adjustment. They are:HX-900 series intelligence double digital controller,HX-TEH-P/C Series intelligence double digital indicating controller.What' more, we also deals in thermocouples, time relays and so on.