Changzhou Tianli Controllor Manufacturing Co., Ltd is a ISO9001:2000 proved high-Tech. Enterprise. We are professional in manufacturing products includes: Pressure/Differential Transmitters, Indicating Pressure Switches, Two-level Pressure Switches, Stainless Pressure Gauges, Shakeproof Pressure Gauge, etc. We serve a countrywide market of oil and gas, chemical, petrochemical, chemical fiber, powerindustries, metallurgy, medical, light industry, telecommunication industries and Self-check & Control center of refregrating equipment, Self-alarm in process application and protection. Our brand "Tianxiang" is recogonized as high accuracy, High quality, reliability and varietal of specifications by the customers.