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.
Nearest Port
Shanghai Port, Yancheng Port, Ningbo Port
Address
Yancheng Dafeng District High-Tech Zone Big Data Industrial Park Building 1 Building 901# (2), Yancheng, Jiangsu, China