Shenzhen:
SHENZHEN CRYSTAL TECHNOLOGY INDUSTRIAL CO.,LTD.
Address: Room 1805, East Wing, TianAn Hi-tech Plaza Phase 2,
                TianAn Cyber Park, Futian District, Shenzhen, 518040, China.  
Tel: 86-755-88352809,88352810,88352811,88352812,
       86-755-88352813,88352814,88352422,88352433
Fax: 86-755-88353718,88352499
Web: http://www.q-crystal.com
E-mail: sjk@q-crystal.com 

Yantai:
Yantai Crystal Technology Electronics Co.,Ltd.
Address: 5/F,North Tower,No.3,Zhujiang Road,Economy Development zone,Yantai,Shandong.
Tel: 0535-6397901
Fax: 0535-6375846
Web: http://www.q-crystal.com
E-mail: sjk@q-crystal.com

Hongkong:
Crystal Technology Electronics (HK) Co.,Ltd.
Address: 903,9/F,113 Argyle Street,Mongkok,Kowloon,Hongkong.

Suzhou:
Sales office in Suzhou(Eastern China)
Address: Room 912,Shi Shan Feng Hui building,75 Shishan Road,Suzhou City, Jiangsu Province, China
Tel: 0512-68086000
Fax: 0512-68090951
E-mail: sjk@q-crystal.com