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
Xi'an Ariport, Shanghai port, Qingdao port
Address
Room 1204, Building 1, Vanke Huizhi Center, No. 56 Xifeng Road, Yanta District, Xi'an, 710018