YUYAO LANGS INSTRUMENT CO.,LTD. was established in 2003, located in the beautiful city Ningbo, China, which is at the coast of the East Sea of China. The compnay speciliazes in manufacturing various kinds of gauge, refrigeration gauge, sollid freon gauge, electric contact gauge, capsule low gauge, diaphragm gauge, pressure & temperature gauge, bimetal thermometer, gas filled thermometer, thermowell, pressure valve, etc. Our company takes quality as the top priority, to meet our clients, requirements, and we obtain ISO9001-2000 Quality System Certification. At present, our products are being exported to the following countries: USA, Italy, Germany, UK, Mexico, India, South Africa, Russian, Korea, Taiwan and other areas in the world. We take "Quality first, Clients supreme" as our managing principle, and set providing high quality products and the best service as our target.