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
Building B6, Junfeng Industrial Park, Fuhai Sub-Distric, Bao'an District, Shenzhen City, Guangdong Province, 518103 P. R. China, Shenzhen, Guangdong, China