Sioux county's smart technologies ltd. Is a private technology enterprise that specializes in the development, production, marketing and servicing of specialty high-temperature industrial television monitoring systems. The main products, such as the high-temperature television system, the kiln infrared scanner system, the infrared thermal imager system, the medium-controlled large-screen coupling system and the carton water level surveillance system, are now widely used in the metallurgy, petrochemical, electrical and construction materials industries and are well received by a wide range of clients。