We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for China Acetylene Gas and C2h2 Gas, 99.999% Boron Trichloride, Hydrogen 5.0, Helium 99.999,High Purity Sulfur Dioxide. If possible, please send your requirements with a detailed list including the style/item and quantity you require. We will then send our best prices to you. The product will supply to all over the world, such as Europe, America, Australia,United Kingdom, Mozambique,France, Sao Paulo.With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.