Yuyao Kaidi Display Instruments Co.,Ltd. is a professional China Bourdon Pressure Gauges Manufacturers and Bourdon Pressure Gauges Factory, Our products get EN3-7 approval and established Quality management system ISO9001- 2015.Now we have more than 100 staffs, including 10 specialized engineers and we sets of digital control machines and automatic production lines. We specialize in Bourdon Pressure Gauges to Europe, Middle East, Southeast, Australia. Our target is to make the quality stability and excellence of our products well known all over the world. better price and better service to the customers. KAIDI is a good supplier of pressure gauges for your fire extinguishers and we will try all our efforts to offer you better service.welcome to visit our factory.