Changzhou Thermal Instrument General Factory was founded in 1957 and is one of the earliest manufacturers in China specializing in the production of thermal instruments. The "Shuanghuan" brand series of thermal instruments enjoys a high reputation among customers across the country. In 2001, due to the restructuring of state-owned enterprises, the company name was changed to Changzhou Shuanghuan Thermal Instrument Co., Ltd. Over the years, thanks to the long-term support and love from all walks of life, the company has achieved rapid and stable development. We express our sincere gratitude for this. The earliest enterprise engaged in the professional production of thermal instruments in China, founded in 1957, was once hailed as a symbol of the national instrument industry. The registered trademark "Shuanghuan" brand series thermal instruments are highly well-known both domestically and internationally. Please recognize the "Shuanghuan" trademark to prevent counterfeiting. Covering flow, temperature, and liquid level measuring instruments in the thermal industry, there are a total of seven categories with 15000 varieties and specifications, including imported German KROHNE glass rotor flowmeter, domestic glass rotor flowmeter, vortex flowmeter, electromagnetic flowmeter, metal tube float flowmeter, bimetallic thermometer, thermistor, thermocouple, liquid level meter, digital display meter, etc. The product is renowned for its excellent quality both domestically and internationally, winning unanimous praise from customers. ● Our company exclusively introduces German proprietary technology and equipment to produce the GA24, DK800, VA/FA/SA10 series glass rotameters, and is the only licensed manufacturer and distributor in Chinese Mainland. The product model, specification, naming and appearance are unique to our company. Infringement is strictly prohibited and counterfeiting is prevented. In 1984, the National Quality Award Approval Committee awarded the "Shuanghuan" brand glass rotor flowmeter the "National Silver Award". This is the only highest honor that China's instrumentation products have received so far. In December 1990, the Ministry of Electronics Industry awarded the "Shuanghuan" brand WSS industrial bimetallic thermometer high-quality product award. On May 24, 1991, Premier Li Peng of the State Council issued a commendation order, praising the special contributions made by the "Shuanghuan" thermal instrument to the national key project "Beijing Electron Positron Collider"; ● As a dual director unit of the China Flow Meter Professional Association and the China Temperature Meter Professional Association; The Jiangsu Provincial Quality and Technical Supervision Gas Flow Measurement Station is located in our company; Our company has been designated as a designated manufacturer of national military temperature instruments. The market coverage and market share of our main products, glass rotor flow meters and bimetallic thermometers, are leading in China. We have a comprehensive ISO9001:2000 quality system and sales service system. The product is marketed in 26 provinces, municipalities, and autonomous regions in China, and exported to over 30 countries and regions around the world.