Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for Propane And Acetylene, So2 Price, Helium Period Number, R600a Refrigerant High-Purity Isobutane,Hydrogen Sulfide H2s Gas. We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Palestine, Qatar,Malaysia, UK.We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.