This document specifies the performance requirements, test methods, inspection rules and marking, packaging, transportation and storage of lithium bisfluorosulfonyl imide/ethyl methyl carbonate solution. Products are used as electrolyte additives and intermediates for many industrial applications. Main technical indicators: purity of lithium bisfluorosulfonyl imide (based on FSI-), lithium bisfluorosulfonyl imide content, trace metal element content, etc.