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
Dalian
Address
Room 7033, No. 9-1 Haifu Road, Dalian Free Trade Zone, China (Liaoning) Pilot Free Trade Zone, Dalian, Liaoning, China, 116600