Adhering to the principle of "quality, service, efficiency and growth", we have gained trusts and praises from domestic and international client for Sulfur Hexaiodide, Helium Number, Pure Methane Gas, Pure Methane,Element Symbol Helium. Good quality is factory' existence , Focus on customer' demand is the source of company survival and advancement, We adhere to honesty and superior faith working attitude, hunting forward towards your coming ! The product will supply to all over the world, such as Europe, America, Australia,Spain, Jamaica,Brazil, Tunisia.More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.