Our United States warehouse is at  Carol Stream ,IL

Our China office is located at 13-2-102 Gediaochuntian Qiangnian Road Nankai 300102 Tianjin China

Our regular business hours are 9 am to 5 pm (China Beijing Time GMT+8).

For order related issues, most answers can be easily found at Site Help / FAQ.
If you still have questions, please email to info@tiensproduct.com. You may also call us at +86-186-2050-6438. Please note our customer service staff are not herbal experts and cannot provide consultation on herbal issues.

For herb related issues, common answers can be found at each product info page and health concern info page. If you still have questions, please email to info@tiensproduct.com

For wholesale issues,please email to info@tiensproduct.com