Corporate headquarters: No. 166, Haier Road, Qingdao City
Tell：0532-8610 1166
Fax：0532-8907 6666
Web：www.jnbio.com

Production base: Shandong Boxing Economic Development Zone
Tell：0543-2366777
Fax：0543-2366778
E-mail：sdjnsw@163.com

Service Hotline：
400-188-9868
400-158-6166