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
Tianjin Port, Lianyungang Port, Qingdao Port
Address
Room 3769, Building 2, Shuntai Plaza, Sunhua Road Subdistrict, High-Tech Zone, Jinan, Shandong, China