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 Port
Address
No. 3, 5th Floor, Building A, Wanhe Technology Building, No. 7 Huitong Road, Fenghuang Community, Guangming District, Shenzhen