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
Building B, Jinmaointernational Digital Center, No. 1 Pingyang Road, Pingyang Road Subdistrict, Xiaodian District, Taiyuan City, Shanxi Province, Taiyuan, Shanxi, China