A visit — yours or an inspector's — is the surest check on a new supplier. Send a date and what you want to see; the request reaches them as an enquiry you can track.
Nearest Port
Qingdao
Address
No. (1507, Building a, Guoshan Center), City Construction Comprehensive Building, No. 46, Changcheng Road, Tai'an, Shandong, China, 271000