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 Xingang
Address
Room 818, Unit 1, Building 4, Commercial Area, Thumb Plaza, No. 139 Changfu Road, Anci District, Langfang City, Hebei Province, 065000