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, TIANJIN
Address
3#907, South Commercial Centre, Gaoxin Wanda Plaza, Lot 8, Industrial South Road, Jinan Area, Pilot Free Trade Zone of China (Shandong)