GCT's Services

We deliver services that enable customers, business partners and application service providers (ASPs) to collaborate intelligently and deliver value-added services to customers seamlessly and profitably.

Our IT Services

Software Customization view

System Integration view

Youth #11 Payton Pritchard Statement Jordan Brand Jersey Black https://www.celticsstore.de/2018-Nike-Swingman-Gray-Boston-Celtics-36-Marcus-Smart-Jersey-City-Edition--Mens530 https://www.celticsstore.de/Boston-Celtics-2021-Luke-Kornet-City-Authentic-Vistaprint-Patch-Jersey-Black489 Kemba Walker Statement Vistaprint Patch Jersey 2020-21 Black Javonte Green 2020 Christmas Night Special Edition Jersey Green Tacko Fall 2020 Christmas Night Special Edition Jersey Green https://www.celticsstore.de/Boston-Celtics-Jayson-Tatum-Red-Jersey---High-School-Basketball-Edition309 Tristan Thompson Cloudy Skies Jersey White Jayson Tatum Earned Jersey Vistaprint Patch Green https://www.celticsstore.de/Bill-Russell-Celtics-Hardwood-Classics-Swingman-White-Jersey51 Rajon Rondo Hardwood Classics Authentic Jersey Kelly Green Larry Bird Celtics Hardwood Classics Swingman White Jersey Aaron Nesmith Association Jersey White Youth Romeo Langford Earned Vistaprint Patch Jersey Green Tristan Thompson 2020 Christmas Night Special Edition Jersey Green Aaron Nesmith Galaxy Hardwood Classics Jersey Green https://www.celticsstore.de/Grant-Williams-Boston-Celtics-Icon-Authentic-Vistaprint-Patch-Jersey-2020-21-Green202 Rajon Rondo Classic Edition Origins 75th anniversary Jersey White NBA 2016-17 Season #7 Jaylen Brown Green Christmas Day Swingman Jersey Custom Green Jersey - Icon Edition Youth Evan Fournier 2021 Icon Swingman Green Jersey 2017-18 Youth Nike Swingman #11 Kyrie Irving Jersey-City Edition-Gray Ray Allen Quintessential Worn Out Tank Top Jersey Green White Al Horford 2019 All-Star Game Swingman Jersey Youth Jaylen Brown City Edition Swingman Jersey White https://www.celticsstore.de/Boston-Celtics-Tristan-Thompson-Big-Face-2.0-Swingman-Jersey-White780 Jayson Tatum Classic Edition Origins 75th anniversary Jersey White https://www.celticsstore.de/Kevin-Garnett-Boston-Celtics-Revolution-30-Swingman-Jersey--White428 Tacko Fall Hardwood Classics Throwback Jersey 2007-08 Green Tacko Fall Men's Jersey - City Edition Jaylen Brown Lunar New Year 2022 Jersey Green Men Celtics Marcus Smart Men's Snakeskin Hardwood Classics Jersey Green https://www.celticsstore.de/Boston-Celtics-33-Larry-Bird-Green-Hardwood-Classics-Throwback-Swingman-Jersey472 Tacko Fall Classic Edition Origins 75th anniversary Jersey White Custom Hardwood Classics Swingman Jersey White Semi Ojeleye Association Authentic Vistaprint Patch Jersey 2020-21 White Robert Williams III Hardwood Classics Special Edition Jersey Green Kevin Garnett Celtics Hardwood Classics Swingman White Jersey Semi Ojeleye Earned Jersey Vistaprint Patch Green 2021 Evan Fournier City Authentic Vistaprint Patch Jersey Black Mitchell & Ness #33 Larry Bird Green Authentic Throwback Jersey Marcus Smart Wild Life HWC Swingman Jersey Green https://www.celticsstore.de/Boston-Celtics-Ray-Allen-Hardwood-Classics-Authentic-Jersey-Kelly-Green639 https://www.celticsstore.de/Youth-Boston-Celtics-Luke-Kornet-2021-Earned-Swingman-Green-Jersey502 Kevin Garnett Hardwood Classics Special Edition Jersey Green https://www.celticsstore.de/Youth-Boston-Celtics-Payton-Pritchard-Earned-Vistaprint-Patch-Jersey-Green614 Marcus Smart #36 2015 Christmas Day Swingman Jersey Green Payton Pritchard Association Authentic Vistaprint Patch Jersey 2020-21 White https://www.celticsstore.de/Kyrie-Irving-Boston-Celtics-Jersey---Independence-Day-Edition449 https://www.celticsstore.de/Boston-Celtics-Tristan-Thompson-Black-Statement-Jersey-2020-Trade762 https://www.celticsstore.de/Tacko-Fall-Boston-Celtics-Icon-Authentic-Vistaprint-Patch-Jersey-2020-21-Green721 Payton Pritchard City Edition Swingman Jersey White https://www.celticsstore.de/Boston-Celtics-Kevin-Garnett-Classic-Edition-Origins-75th-anniversary-Jersey-White426 https://www.celticsstore.de/Boston-Celtics-Moritz-Wagner-City-Swingman-Jersey-White565 https://www.celticsstore.de/2018-19-Green-Youth-Boston-Celtics-Robert-Williams-III-Earned-Edition-Jersey661 Semi Ojeleye Hardwood Classics Special Edition Jersey Green Moritz Wagner Hardwood Classics Special Edition Jersey Green https://www.celticsstore.de/Boston-Celtics-White-Gordon-Hayward-2019-All-Star-Game-Swingman-Finished-Jersey-Men187 https://www.celticsstore.de/Youth-Boston-Celtics-55-Jeff-Teague-2020-21-Statement-Black-Jersey333 Celtics Larry Bird Men's Snakeskin Hardwood Classics Jersey Green https://www.celticsstore.de/2020-21-Boston-Celtics-Daniel-Theis-Icon-Vistaprint-Patch-Jersey129 Paul Pierce Metal Works Swingman Jersey Gray Women 2021 Mothers Day NO.1 Mom Jersey Green https://www.celticsstore.de/Boston-Celtics-Payton-Pritchard-Black-Statement-Jersey-2021-NBA-Draft601 Marcus Smart Icon Authentic Vistaprint Patch Jersey 2020-21 Green https://www.celticsstore.de/Jeff-Teague-Boston-Celtics-Statement-Authentic-Vistaprint-Patch-Jersey-2020-21-Black329 https://www.celticsstore.de/Mens-Boston-Celtics-36-Marcus-Smart-Adidas-Fashion-Swingman-Black-Jersey511 Youth Kemba Walker Reload Hardwood Classics Black Jersey Tremont Waters Big Face 2.0 Swingman Jersey White https://www.celticsstore.de/Kendrick-Perkins-Boston-Celtics-Hardwood-Classics-Throwback-Jersey-2007-08-Green413 https://www.celticsstore.de/Boston-Celtics-Marcus-Smart-City-Edition-New-Uniform-Jersey-White538 2021 Kris Dunn City Edition player Jersey White https://www.celticsstore.de/Celtics-Enes-Kanter-Mens-Statement-Edition-Jersey-Black148 Youth #8 Kemba Walker Statement Jordan Brand Jersey Black https://www.celticsstore.de/Celtics-Enes-Kanter-Mens-Icon-Edition-Jersey-Green151 Moritz Wagner City Edition Swingman Jersey White https://www.celticsstore.de/Boston-Celtics-Grant-Williams-Big-Face-2.0-Swingman-Jersey-White207 Robert Williams III City Edition Swingman Jersey White Kemba Walker 2020 Christmas Night Special Edition Jersey Green https://www.celticsstore.de/Boston-Celtics-Robert-Williams-III-Hardwood-Classics-Special-Edition-Jersey-Green656 https://www.celticsstore.de/Ray-Allen-Boston-Celtics-Revolution-30-Swingman-Jersey---Green635 https://www.celticsstore.de/Boston-Celtics-Jayson-Tatum-City-Edition-Swingman-Jersey-White317 https://www.celticsstore.de/Boston-Celtics-Larry-Bird-City-Edition-Swingman-Jersey-White483 Jaylen Brown Association Jersey White Custom Statement Authentic Vistaprint Patch Jersey 2020-21 Black Youth #55 Jeff Teague 2020-21 Association White Jersey Evan Fournier City Edition FOURNIER Jersey White https://www.celticsstore.de/Reggie-Lewis-Boston-Celtics-2021-Lunar-New-Year-Jersey-OX-Black644 Marcus Smart Classic Edition Origins 75th anniversary Jersey White Luke Kornet City Swingman Jersey White https://www.celticsstore.de/Boston-Celtics-Jeff-Teague-Black-Statement-Jersey-2020-Trade328 2018-19 Youth Robert Williams III Name City Edition Jersey White Jayson Tatum Hardwood Classics Special Edition Jersey Green Marcus Smart Hardwood Classics Swingman Jersey White https://www.celticsstore.de/Boston-Celtics-Larry-Bird-Quintessential-Worn-Out-Tank-Top-Jersey-Green476 Youth #26 Aaron Nesmith Icon Vistaprint Patch Jersey Kelly Green https://www.celticsstore.de/Boston-Celtics-Carsen-Edwards-Hardwood-Classics-Special-Edition-Jersey-Green77 Grant Williams 2020 Christmas Night Special Edition Jersey Green https://www.celticsstore.de/Boston-Celtics-Kemba-Walker-Big-Face-2.0-Swingman-Jersey-White407 https://www.celticsstore.de/Boston-Celtics-Al-Horford-Association-Edition-Swingman-Jersey-White40