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
Address
Room 911, Building No. 9, Shandong Steel New World Plaza, No. 61-11 Gongyenan Road, High-Tech Development Zone, Jinan, Shandong, China, 250101