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,Rizhao port
Address
South of the SAN Gong Gas Station, west of Pingri Road, Huanghua Town, Zhucheng City, Weifang City, Shandong Province