Shandong Taiai Peptide Biotechnology Co., Ltd. Heimilisfang Nr.5 bygging, garður 31st, Guangqu Road, Chaoyang District, Peking, Kína. Tölvupóstur taiaitai@taiaitai.com Sími 0086-15001251945 0086-15138598731 Sími 0086-010-4007196665