WGC Shop posted photos of their new WGC Service Centre. For those who prefer going to Mong Kok can visit them as they are just along Nathan Road and near the corner with Dundas Street, closer to the Yau Ma Tei MTR Station. If you plan to drop by there, their opening hours are 1100 to 2200H Mondays to Saturdays. Here is the full address:

WGC Service Centre
18/F, Attilio Building
579 Nathan Road, Mong Kok
Hong Kong