Contact

Our International Presence:

Headquarter:

Phone/whatsapp/wechat: +852 90225938

Email: green.systemtech@gmail.com

 

Australia representative office: Joseph Tse, Senior Advisor

Phone/whatsapp: +614 0367 5835

Email: josephtse.hk@gmail.com

 

Canada representative office: Raymond Deng

Phone: +604 233 9278

 

 

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