About this product

Chongqing Tonghui Gas Co., Ltd. is a high-tech private enterprise specializing in the development, production, and operation of food-grade carbon dioxide, dry ice, carbon dioxide, germane, nitrous oxide, electronic-grade carbon dioxide, electronic-grade mixed gases, cylinder inspection and annual inspection, Y-bottle inspection, steel cylinder inspection, ultra-pure helium, ultra-pure nitrogen, and ultra-pure argon. They hold patent certificates for their specialized products and services.