Beijing Tianyue Environmental Protection Technology Co., Ltd. was established in 2001, dedicated to the research and development, production, sales, and professional services of products in various fields such as environment, health, safety, security, emergency rescue, counter-terrorism, and chemical prevention. Our company's self-developed portable on-site detection instruments for toxic and harmful gases such as carbon monoxide and carbon dioxide, temperature and humidity, noise, and breeze are widely used in various fields such as hygiene, construction, environmental protection, quality inspection, railway, military, education, and entry-exit inspection and quarantine. Interscan, founded in 1975, has accumulated over 30 years of experience in manufacturing patented electrochemical sensors and specializes in producing high-precision portable toxic and harmful gas detectors. It is a world-renowned manufacturer of single gas on-site detection instruments. As its exclusive agent in China, Tianyue Company is fully responsible for the sales, technical support, and after-sales service of INTERSCAN products in China.