Chongqing Tonghui Gas Co., Ltd.

Our end-to-end production line, spanning from cartridge manufacturing and nitrous oxide gas production to gas filling, cartridge processing, and packaging, guarantees top-quality products at the most competitive prices. Our rigorous 100% quality inspection at every stage ensures that Rotass cartridges are free from defects and unwanted chemical aftertastes. With a remarkable 99.95% purity of N2O, they are the ideal choice for creating fresh, delicious whipped cream.