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
Room 2804 Building 12 Tianyi International Square No. 1 Zhongshan Six Road, East Zone, Zhongshan City, 528405 Gd Province, Zhongshan, Guangdong, China