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, Shanghai
Address
4f, Building F, Hcd Science and Technology Industrial Park, Hai Hui Road, Baoan Center District, Sz, Shenzhen, Guangdong, China, 518001