Wenzhou Osmark Sensor Co., Ltd. is a national high-tech enterprise dedicated to the R&D, production, and sales of oxygen sensors.
We have pioneered the development of core oxygen sensor components for motor vehicles since 2006. Over ten years of focused innovation, we established an extensive original samples database. This unique asset supplies the critical engineering data required to ensure each sensor is precisely calibrated for its intended vehicle application.
We have developed a comprehensive range of over 1,800 oxygen sensor models, including Thimble, Planar, Wide-Band, and A/F Ratio technologies, to meet the specific demands of the North American, European, and Middle Eastern markets.
Oxygen Sensors