SHENZHEN HONGMAO INSTRUMENT MANUFACTORY as a major manufactory of instruments in china, Aneroid weather barometer, altimeter, thermometer and hygrometer are our main product. At present, we can produce kitchen thermometer and Clock. Our factory has professional Engineer in charge of product researching and developing. We have full production-line of aneroid barometer, including the production-line of aneroid box and the production-line barometer movement. Our products are mainly sold to Germany, Europe, Japan and USA. OEM and ODM are Welcome. Our products are applicable to home, hotels, schools, offices, laboratories, libraries, museums, archives, hospitals, warehouses and factories.