Qingdao Ruifeng Gas Co., Ltd.

Other Organic Chemical
High Purity Gas

High Purity Gas

High purity gases used for metal cutting and welding. High purity gases used for metal cutting and welding. Organic Gas Product  Gas Name  Chemical Formula  Specification (%)  Impurityppm   Methane   CH4   99.5   O2≤100 HC≤1500 N2≤600...



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