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 4, Fenghuang Culture Square, No. 611 Shiji Avenue, Xindu Sub-District, Yannan High-Tech Zone, Yancheng City, Jiangsu Province, Yancheng, Jiangsu, China