China factory is located at Dalingshan town of Dongguan city, Guangdong province. We focus to develope the breathalyzer and qualify products. There are worldwide certifications about our products and management system, such as ISO-9001, CE by TUV, FDA-510K, USA DOT, EU Emark, EU EN, French NF, Ukraine and US NHTSA approved.






There are 2 assembly lines to suuport our production capacity for assembly, QC, calibration and package. The plastic housing, SMT and electronic board soldering process are made by sub-suppliers with ISO9001 manufacturers and near our factory.  



Calibration and accuracy-check by our qualified QC with US certified instruments.