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
GuangZhou Port, Shenzhen Port
Address
Room 401, Building 2, No. 102 South Road, Yongshan Village, Shiqi Town, Panyu District, Guangzhou City, 511450