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
Rm 7008, Floor 7, Bldg. a, Huijin Plaza, No. 770, North of Baiyun Road, Baiyun Dist, Gaungzhou, Guangzhou, Guangdong, China