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
8/F, D1 Bldg, Guanghaofeng Industry Park, Gushu Hangcheng Road, Baoan District, Shenzhen City, Guangdong Province, Shenzhen, Guangdong, China