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 port
Address
Room 1511, 15th Floor, Aolin Center, Intersection of Jinan Road and Jingyang Road, Donggang District, Rizhao City, Shandong Province, Rizhao, Shandong, China