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Awarded the "Manufacturing Single Champion Product", with accuracy class reaching the highest 0.2S level. Owns 10 invention patents and has won the National Patent Excellence Award. The developed 0.2S-class 10kV high-voltage energy direct metering system has led the establishment of the world's first high-voltage energy direct metering standard system, with technological achievements reaching the "internationally leading" level. Both technically and market-wise, it has reached a world-class level, with over 40,000 units operating in more than 20 provinces in China and overseas.