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
No. 10-1, Lane 7, Xuewuxin Village, Jinsha Community, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China, 518122