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
Qingdao, Shanghai, Beijing
Address
No. 567 North Shuntai Road, Jinan Area of China (Shandong) Pilot Free Trade Zone, Jinan, Shandong, China, 250013