TIANGEN BIOTECH (BEIJING) CO.,LTD.

• Building 5, No. 86, Shuangying West Road, Changping District, Beijing.

• +86 010-59822688, +86 18910057791 (Global), +1 240-2433916 (North America)

• people@tiangen.com (Global), export.sales@tiangen.com (North America)