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
200 Meters South of Intersection of Jianguo Road and Pengzu Road, Caocun Town (Suxu Modern Industrial Park), Yongqiao District, Suzhou City, Anhui Province, Suzhou, Anhui, China