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: 62558188
                 09:00 - 18:00
• 24 Hours Emergency Hotline:62558188
•               00:00 - 24:00
• WhatsApp: 62558188
• Company E-mail: cs@masterkey.com.hk
• Company Address:Flat B & C, 3/F., Chuen Fung House, Wan Chai, Hong Kong