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
Address
(C, D on 19/F, Fuyuan Building), No. 260-1, Heping East Road, Chang'an Dist., Shijiazhuang, Hebei, China