Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for Industrial-Grade Sulfur Dioxide So2, Sulphur Hexafluoride, Methane Gas Ch4, Bulk Hydrogen,Symbol Helium. sincerity and strength ,always keep approved good quanlity ,welcome to our factoty for visit and instruction and business. The product will supply to all over the world, such as Europe, America, Australia,Washington, Florida,Venezuela, St. Petersburg.The president and all the company members would like to provide qualified goods and services for customers and sincerely welcome and cooperate with all native and foreign customers for a bright future.