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 505 and 506, Building A, Zibo Entrepreneurship Incubation Center, No. 21, South West 6th Road, Heping Sub-district Office, Zhangdian District, Zibo City, S, 255000