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
201D03 Unit A43, 2 / F, Building A and B, Shenfubao Science and Technology Industrial Park, No. 3 Huanghuai Road, Fubao Community, Futian District, Shenzhen, 515041