Contacts Us

Address:
Flat 1, 3/F, Canny Ind. Bldg, 33 Tai Yau Street, San Po Kong, Kln, H.K.

Phone:
+852 2142 1135 / +852 9541 4510

Whatsapp:
+852 9541 4510

General Email:
info@graphenstone.com.hk

Business Cooperation:  sales@graphenstone.com.hk