The People's Republic of China                                                       

Quartz Link Shanghai Office

Unit 2503, No.,4, Lane 1739,

South Xizang Road, Shanghai, 200011

Email: info@quartz-link.com

Telephone: +86 21 6308 2015

United Sates of America                                                                   

Quartz Link, Inc.

101 E Mill Street, Suite E

Quakertown, Pennsylvania 18951

Email: Joanna@quartz-link.com

Telephone: +1 267.347.4685

Mobile: +1 484.935.2448

Europe                                                                                                  

Quartz Link Ltd

Email: Eu@quartz-link.com

Email: benjaminpfefer@quartz-link.com

Telephone: +1 484 554 4310