Puhe Instrument Co. LTD ( Puhe Scientific Education Instrument & Equipment Factory) is a speciallized manufacturer of electro-chemistry instruments. Our main products are pH meters, pH controller, ORP meters ,ORP controller, conductivity meters, TDS meters, salinity meters, Continuous reading PH/Conductivity/Temperature monitors. pH combined electrodes, skin electrodes, Conductivity and ORP electrodes. Bearing in our mind that our customers need most reliable instruments, we have always been doing our utmost to supply quality products in our years of history. Most of our products are CE certificated and are sold to all the continents in the world. With the effecient efforts of our R&D team, new products are coming out all the time. Business ideas consistently meet user needs, a user proceeds with its own organic successful integration; To the creativity of staff and the space to its full potential by striving for excellence and continuous reform and development.