Henan Duotesi (DUOTESI) is a technology company dedicated to the development and application of sensor technology, integrating R&D, production, sales, and services.At present, our company has enough R&D personnel,which enables us to respond quickly to market demands and continuously develop new sensor technologies and products.And our production line is equipped with professionals who possess specialized skills, making our product manufacturing process efficient and of high quality. This not only ensures that we can provide stable and reliable sensor products but also enables us to meet the goal of timely delivery, fulfilling customer demands and expectations.The company has combined the world's advanced production techniques for gas sensors through technological mergers, along with the innovation of its research and development personnel. Successively, it has launched infrared gas sensors based on PID and NDIR principles, as well as low-power infrared combustible sensors that currently hold a significant market share. These sensors can be widely applied in industrial safety areas such as gas stations, oil exploration, and city utility tunnels.Currently, our company's flagship bestselling product is an electrochemical oxygen sensor developed in-house. This product integrates innovation and technology seamlessly, with a particularly notable unique leak-proof structural design. This design not only ensures the safety of the product but also significantly extends the service life of the sensor, making our product stand out in the market.When it comes to raw material selection, our company adheres to the principle of constant refinement. All raw materials undergo rigorous screening and testing to ensure they possess excellent performance and stability. This high regard for raw materials directly reflects in the outstanding performance of our products. Consequently, we are confident in asserting that our electrochemical oxygen sensor can rival or even surpass top industry brand products in terms of precision, sensitivity, response time, and long-term stability.While our brand's recognition in the market is still in the promotion stage, we firmly believe that with the superior performance and unique advantages of our products, we have the capability to challenge and gradually replace those brands that currently hold market leadership positions. We are committed to continuous innovation and improvement to meet the demand for high-quality oxygen sensors from our customers. We look forward to establishing our own banner in the industry and becoming a recognized leading brand in the near future.And PID (Photoionization Detection) sensors are our ace in the hole. Equipped with premium light sources from Heraeus and cutting-edge technology, our PID sensor offers high accuracy, wide range detection, and rapid response for VOCs and harmful gases. Suitable for various environments, it also boasts easy integration, making it the ideal choice for monitoring volatile organic compounds and other hazardous gases.