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Since 2022
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TONGHUI GAS
Chongqing Tonghui Gas Co.,Ltd.,founded in 2007,is a leading specialty gas manufacturer in Southwest China. The company specializes in researching,producing,and selling food-grade and electronic-grade Carbon Dioxide,Nitrous Oxide,and other electronic-grade specialty gases.
Over the years,Tonghui has dedicated itself to praoduct innovation and increasing output. In 2022,we launched the new brand ROTASS,concentrating on food-grade CO2 and N2O,aiming to meet the rising market demands while optimizing the utilization of our resources.
