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
Ningbo port /Shanghai port
Address
Building 6, No.3 Road One, Dongzhou Industrial Zone, Dongzhou Subdistrict, Fuyang District, Hangzhou City, Zhejiang Province, 311400