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.
Address
No. 55, Building 2, The West Row, No. 289 Yanhan Road, Hanmiao Town, Shanghe County, Jinan City, Shandong Province, Jinan, Shandong, China