Hydrogen Chloride, Hydrogen Sulfide, Carbon Dioxide manufacturer / supplier in China, offering Liquid Ammonia R717 Refrigerant Gas Price Nh3 Refrigerant Gas, Anhydrous Hydrogen Chloride 99.999% HCl Gas– Specialty Gas (10L/40L/47L/880L), High-Purity Anhydrous HCl (99.999%) – Custom Cylinder Solutions (10L/40L/47L/880L) and so on.