We provide 24 hours emergency hotline service. Answering your phone call with real person which provides immediate supporting service for you.

• Day-time Customer Service Hotline: 6255 8188
                 09:00 - 18:00
• 24 Hours Emergency Hotline: 6255 8188
                 00:00 - 24:00
• WhatsApp: 6255 8188
• Company E-mail: cs@masterkey.com.hk
• Company Address: 4/F, Qualipak Tower, 122 Connaught Road West, Sheung Wan, Hong Kong