We are specialized in the R&D, manufacture and sale of calibration gas, special gas, high-purity gas and electron gas. Meanwhile, we also act as a sales agent of importing instruments, meters, valves and pipe fittings, as well as laboratory pipeline designing and installing. As one of the major suppliers of gas mixture in the domestic market and also one of the larger domestic gas companies, our products are widely used in petrochemical, chemical industry, scientific research, power, electronics, shipping, coal mining, environmental protection, medical treatment, food, construction, metallurgy, military and other industries.We attach great importance to quality and safety management. There have not been any safety or quality related accidents since we were founded. According to the needs of clients, we provide safe and superior quality products, and perfect sale and after-sales services. Meanwhile, we provide related technical support and implementation guidance for the gas field.As a National secondary grade reference material research and development production unit, we implement R&D and declaration for new reference materials according to the annual market demand. We have obtained more than 60 Reference Material Certificates.As one of the network affiliates of Sinopec suppliers, we have established long-term cooperation with Sinopec, PetroChina and other large-scale petrochemical enterprises. For many years, we have provided products and services like high-purity gas and gas mixture for petrochemical enterprises, and established good cooperative relationships. We are currently investing in building an internationally first-class R&D testing center of gas mixture and super high purity gas. Our technology, quality and service ability will continue to increase.Company Background: We are a gas company established by the founder Ms. Ye Together with Jiangsu Topgrand Petrochemical Industrial Gas Co., Ltd., Nanjing Tianze Gas Co., Ltd., Nanjing Tongguang Special gas Co., Ltd., Nanjing Weichuang Gas Co., Ltd., etc. Invested in by Ms. Ye, we have established a gas group with rich variety, high quality, considerate service and reasonable price. At present, we have production and research bases in Nanjing, Zhejiang, Shanghai, etc.We sincerely look forward to becoming your trustworthy partner!