Henan Wheat Import And Export Co., Ltd. is an import and export company located in Zhengzhou, Henan Province, in the Middle of China. Our main business scope is testing and measuring instruments. Our manufacturer, Henan Hi-Tech Instruments Co., Ltd., is a professional manufacturer of various industry instruments and meters. Our main products include hand held refractometers, digital refractometers, thermometers, PH meters, conductivity meters, TDS meters, electrodes, tachometers, thickness meters, sound level meters, humidity meters, moisture meters, lux meters, spectrophotometers and other surveying instruments. We are a reliable supplier for wholesalers and users from aquarium, winery and brewing, foodstuff, automobile, hydroponics, construction and many other industries. We also accept OME orders and can process products according to buyers' opinions. Our target is to introduce many Chinese meters with the highest quality and the lowest prices to our clients in the world.