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
shenzhen
Address
Room A510, 5th Floor, Building a, No. 369, Iot Street, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province, Hangzhou, Zhejiang, China