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630A and below explosion-proof electromagnetic starter for mine
400KW and below flameproof three-phase asynchronous motor
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Shearer heightening oil cylinder and shaft
630A and below mine flameproof feed switch
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Coal mine equipment maintenance service certification
Coal mine equipment maintenance service certification
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Emulsion pump station, spray pump station
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Valve for hydraulic support
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Columns and jacks for hydraulic supports
Qualification honor-SUDA CORPO