Zhengzhou Tuohai Technology Co., Ltd is a high-tech innovative enterprise integrating industry and trade. insists to take the forefront of the since and technology, customer-oriented, quality first, providing superior qualified products and excellent service for customers and bring safety for each industry and household. The company specializes on gas detection instrument and related service. Products include gas leak detectors, portable gas detectors for personal safety care, fixed gas detectors and control system, flame detector, laser methane detector, smoke detector, carbon monoxide alarm, standalone household gas alarm, wireless gas alarm, particle dust monitor, air quality monitor, breath detector, alcohol tester, water meter, gas meter etc.