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 Port
Address
First Floor, Sino-Korean International Youth Maker Center, Tian'an Cyber Park, 88 Chunyang Road, Chengyang District, Qingdao, Shandong Province