Headquarters:

Ameritech Scientific Corp.

3632 Pine Street

Irvine, CA 92606-2602

Tel:949-262-9150

Fax:949-262-9060

BeiJing Address:

Rm.1901, No.3 Building, Dacheng International Center,
No.80, East 4th Ring Middle Road, Chaoyang District
Beijing, P.R. China
Tel：010-59625529   Fax：010-59625518

TianJin Address:

Rm.519, No.8 Huatian Road Huayuan Industry Park,
Tianjin, P.R. China
Tel: 022-83718395/6/7/8  Fax: 022-83718399