Changzhou Chengheng Instruments Co., Ltd which is located in Changzhou city, Jiangsu province. Established in 2014 is a manufacture specialized in research, development and production of Pressure gauge, Thermometer, flow measuring Instruments and liquid level meter. with very convenient transportation accessing to Nanjing and Shanghai. At present, our main products include general pressure gauges, electric contact pressure gauges, liquid filled pressure gauges, glass rotameter flow meters, panel type flow meters, plastic tube type flow meters, glass thermometers, bimetal thermometers, remote reading thermometers,digital thermometers, water heater thermometers, tridicators (thermomanometers) ,liquid level meter,knob thermometers, meat thermometers, freezer and refrigerator thermometers, oven thermometers, deep-fry candy thermometers and general household thermometers.Having developed considerably over recent years, we have accumulated rich experience and utilized advanced manufacturing technology. Continuously developing new products and taking advantage of the latest technical improvements, we fully emphasize the enhancement of product quality standards. Our customers in Europe and America enjoy the quality and precision of our products. Our sales have increased steadily since our company founded. We have achieved unsurpassed customer satisfactions and had a superior reputation in the international instrument industry.In order to protect our designs, we have obtained product patents from the International Intellectual Property Bureau. Due to our consistent high quality and great commitment to our work, we have been able to expand our sales networks to main markets in the USA, Germany, Russia and France. Enjoying a good reputation in these countries, our sales volumes are steadily increasing. Yet, we know that product quality cannot be overemphasized. By consistently focusing on this area, as well as innovation, we are confident of being able to fulfill all customers' requirements.