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.
Address
13th Floor, 2nd Building, Yufengda Industrial Park, 1008th Guang Qiao Boulevard, Guangming District, Shenzhen 518132 China, Shenzhen, Guangdong, China