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
Tianjin, Qingdao
Address
No. 11871, Free Trade Zone Science and Technology Innovation Base, Hangyi Road, Langfang Airport Economic Zone, Daxing Airport Area, China (Hebei) Pilot Free Tr, 065000