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
107-108, 1st Floor, Building A, Youth E-commerce, No. 2 Lianwei Street, Hualian Community, Longhua Street, Longhua District, Shenzhen, 518109