Since 1978, China has begun economic reforms. Through excessive use of resources, China's economy has developed rapidly. 

But at the same time, a series of environmental problems emerged. The most obvious part is water pollution, such as industrial wastewater, medical wastewater, river pollution, heavy metal pollution, drinking water problem, and domestic sewage. 

These pollution problems have seriously affected our lives. That's why BOQU Instrument only focus on R&D of Water Quality Sensors and Analyzers since found at 2007, now we have two factories in Shanghai, year capacity has been over 100 000pcs for all Water Quality Sensors and Analyzers at 2018.