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
A229, One of The 4th Floor Office Buildings, Jinyue Building, No. 91 Yushan Avenue, Shiqiao Street, Panyu District, Guangzhou City, Zhuhai, Guangdong, China