Shanghai Chuanhao Instrument Co., Ltd. is a high-tech enterprise that integrates research and development, production, and sales of analytical instruments. It is a high-tech enterprise in Shanghai. The company has a group of high-tech and high-quality talents, with strong advantages in the research and production of chromatography instruments. It fully explores and utilizes Shanghai's scientific research achievements and production experience in gas chromatography technology for more than 30 years. With exquisite craftsmanship, reliable performance, and high-quality service, we have gradually produced high-performance and intelligent GC and LC series, especially liquefied gas dimethyl ether analyzer and natural gas calorific value analyzer, which have gained support and recognition from a wide range of users.