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
Address
Room 101, Office Building, Hengtong Vehicle Industry Institute, Qindian Village, Quanpu Town, Liangshan County, Jining City, Shandong Province, 272600