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We believe in: Innovation is our soul and spirit. High-quality is our life. Consumer need to have is our God for Featured, Type1 to Type1 , DUOSIDA Type 2 Socket , EV Charger Type 2 , The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.