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Stock abbreviation: Quanpai Technology

泉牌阀门

Stock Code: 872820

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Utility model patent certificate - a self-operated air intake balancing valve

Utility model patent certificate - a self-operated air intake balancing valve

Invention patent certificate - coaxial double check valve differential device

Invention patent certificate - coaxial double check valve differential device

Invention patent certificate - DC piston emergency shut-off valve and its application

Invention patent certificate - DC piston emergency shut-off valve and its application

Invention patent certificate - straight-through electromagnetic control valve

Invention patent certificate - straight-through electromagnetic control valve