· Jinan Hongwan Biotechnology Co., Ltd.
· Address: Room 101, No. 466, Qixian Village, Qixian Town, Shizhong District, Jinan City, Shandong Province.
· Tel/Fax: +86-531-58767175
· 24-hour customer hotline: +86-13220585822
· Email: tyai0812@hongwanbio.com
· Website: www.hongwanbio.com