LIDA Instrument established in 1992. It is a stock corporation, which professionally produce various of experimental and medical instruments. Now, it produces seven groups, more than fifty kinds products that are pH series, polarimeters, ozone analyzer, magnetic stirrers and so on. From then on, we have paid much attention to the research and development, upgrade and renewal. Our principle is to recommend the excellent meters continually. Simultaneously, we equip you the professional engineer in order to explain your problems during operating the meters. Our products are sold domestic and overseas such as America, Europe, Southeast Asia, etc. Innovation ever and again for user, LIDA Instrument will offer you excellent products and service all long.