Shandong Taiai Peptide Biotechnology Co., Ltd. Adrès No.5 bilding, lakou 31st, Guangqu Road, Chaoyang Distri, Beijing, Lachin. E-mail taiaitai@taiaitai.com Telefòn 0086-15001251945 0086-15138598731 Tel 0086-010-4007196665