Changzhou Tianli Controller Manufacturing Co., Ltd. is an ISO9001:2000 proved high-tech enterprise. We are professional in manufacturing products such as Pressure/Differential Transmitters, Indicating Pressure Switches, Two-level Pressure Switches, Stainless Pressure Gauges, Shake-proof Pressure Gauges and other related products. Our products can be used in the fields of oil and gas, chemical, petrochemical, chemical fiber, power, metallurgy, medical, lighting, telecommunication and self-check & control centers of refrigerating equipment, and other related fields. Our brand "Tianxiang" has been recognized as "high accuracy, high quality and high reliability" and has won support and trust among our customers.