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Shanghai?BoQu Environmental?Technology?Co.,Ltd??(EIT)?is?the?biggest?factory?for?Water?Analyzer?Instrument?in?Shanghai?City?China we?build?the?first?High?Temp?Laboratory?in?China.and?produce?more?than?100?000?sensors?and?instruments?every?year. ? EIT?mainly?products?includes Online?PH?Meter/ORP/pH?sensor Industrial?Conductivity?meter/sensor Online?Acid/Alkali?meter/sensor Online?Dissolved?oxygen?meter/sensor Online?Turbidity?meter/sensor Online?Residual/total?chlorine?meter/sensor Online?Ion?meter/sensor Online?COD/BOD/Heavy?metals?meter Flow?Meter/Level?meter/pressure?sensor