Henan Bosean Electronic CO.,Ltd.was founded in 2013, with its headquarters located in Zhengzhou New High-tech zone. Bosean has a wide range of products, such as, portable gas detectors, 4-in-1 gas detectors, toxic gas detectors, CO gas detectors, combustible gas detectors, gas alarm, gas detector for mine use, transformers, detector with built-in pumps, as well as laser range finders, altimeters, angle meters.