We specialize in R&D, manufacturing and sales of calibration gas, special gas, high-purity gas and electron gas. As one of the network affiliates of Sinopec suppliers, we have established long-term cooperation with Sinopec, PetroChina and other such large scale petrochemical enterprises. For many years, we have provided products and services of high purity gases and gas mixtures for petrochemical enterprises, and established good cooperative relationships. 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 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 , Zhenjiang , Shanghai etc. We sincerely look forward to becoming your trustworthy partner!