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
A017, Building 3, Longxi Yayuan, No. 1 Lingnan Road, Opposite Longxi Community, Longgang Street, Longgang District, Shenzhen City, 518116