hunan headstream instrument co.,ltd. is located in Changsha City and is a high-tech enterprise. Working closely with China Electronics Technology Corporation, we are committed to military civilian integration and technological transformation, focusing on the design, development, and production of laser gas sensors (TDLAS) and related instrument products. The company has deep cooperation with China Electronics Technology Corporation in research and development and technology application, jointly exploring cutting-edge technologies and market applications. The company adheres to the corporate culture of "constantly striving for excellence and eternal care", with strong technical strength. It has the leading laser gas sensor technology in the country and has worked in the instrument and meter industry for more than ten years, accumulating rich industry experience. Focusing on quality and innovation, we adopt advanced manufacturing processes and strict quality control systems to ensure the stability and reliability of our products. The company has passed ISO9001:2015 quality management system certification, ISO45001:2008 occupational health and safety management system certification, ISO 14001:2015 environmental management system certification, and ISO10012:2003 measurement management system certification. Our products are widely used in various fields such as gas, electricity, steel, petrochemicals, electronics, environmental protection, healthcare, etc. We provide customers with cutting-edge measurement and control solutions. We continue to work hard and actively make important contributions to the progress and development of the industry.