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
No. 103-2, Building 3, Shunde Zhifuyuan, No. 8, Second Ring Road, Gaozan Village Committee, Xingtan, Shunde, Foshan, Guangdong, China