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
Address
Room 2003 and 2004, 20th Floor, Block B, Building 1, No. 2 Haitai Huake 5th Road, Huayuan Industrial Zone (Outer Ring), Binhai High tech Zone, Tianjin