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
Rm. 1701, Towera, Changjiang Runfa Int`L Bldg, North Gate of Zjg F-T-Z, Jiangsu Prov, Suzhou, Jiangsu, China