Ụgwọ nke ụlọ ọrụ Henan Yuanlong Biotechnology Co., Ltd. Adreesị 6130 Monterey Hwy.San Jose, CA.95138 E-mail henan@yuanlongbio.com Ekwentị Ahịa: 0371-60331257 Nkwado: +86-13663809778