HUAXIN INSTRUMENT CO., LTD. is Situated in Science and Technology Industrial Park, ZhongguanCun, Haidian District, China, our company Is a highly reputed organization dedicated to manufacturing pressure calibrator equipment of the highest quality, Our　Products have been used extensively in the industries of power, chemical, petrol, metallurgy, metering, etc. 　　 　　 We have already achieved a good reputation i