Welcome to Chang Bioscience Yahoo! Store

Please contact us if you have any questions:

Chang Bioscience, Inc.
4452 Technology Dr
Fremont, CA 94538
Phone: 415-377-7892
Fax: 415-680-1560
Web: http://www.changbioscience.com
sales@changbioscience.com

Shipping Information:

Orders are generally shipped within 3 working days. Priority orders are shipped within 24-48 hours.

Refund, Returns and Cancellation Policies:

Please contact us first for returns. Customers are responsible for return shipping charges.