Installation, repair and maintenance of semiconductor manufacturing machines and systems; Installation, repair and maintenance of display manufacturing machines and systems; Installation, repair and maintenance of solar cell manufacturing machines and systems; Installation, repair and maintenance of secondary cell battery manufacturing machines and systems; Providing information and advice relating to installation, repair and maintenance of semiconductor manufacturing machines and systems; Providing information and advice relating to installation, repair and maintenance of display manufacturing machines and systems; Providing information and advice relating to installation, repair and maintenance of solar cell manufacturing machines and systems; Providing information and advice relating to installation, repair and maintenance of secondary cell battery manufacturing machines and systems; Installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for food processing; Installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing pharmaceuticals; Installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing cosmetics; Installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing industrial chemicals; Installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing metal powders for electronic materials; Providing information and advice relating to installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for food processing; Providing information and advice relating to installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing pharmaceuticals; Providing information and advice relating to installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing cosmetics; Providing information and advice relating to installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing industrial chemicals; Providing information and advice relating to installation, repair and maintenance of freeze drying equipment, namely, lyophilizers for manufacturing metal powders for electronic materials; Installation, repair and maintenance of heating furnaces for manufacturing semiconductors; Installation, repair and maintenance of heating furnaces for manufacturing displays; Installation, repair and maintenance of heating furnaces for manufacturing solar cells; Installation, repair and maintenance of heating furnaces for manufacturing secondary cell batteries; Providing information and advice relating to installation, repair and maintenance of heating furnaces for manufacturing semiconductors; Providing information and advice relating to installation, repair and maintenance of heating furnaces for manufacturing displays; Providing information and advice relating to installation, repair and maintenance of heating furnaces for manufacturing solar cells; Providing information and advice relating to installation, repair and maintenance of heating furnaces for manufacturing secondary cell batteries; Installation, repair and maintenance of vacuum pumps; Providing information and advice relating to installation, repair and maintenance of vacuum pumps; Installation, repair and maintenance of analyzing devices, namely, optical emission spectrometers, mass spectrometers, and ellipsometers; Providing information and advice relating to installation, repair and maintenance of analyzing devices, namely, optical emission spectrometers, mass spectrometers, and ellipsometers.