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 PORT, NINGBO PORT
Address
No. 107, Room 103, 1st Floor, Building 1, No. 16, Nan Sanhuan West Road, Fengtai District, Beijing, 100100