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
B25, Room 1504, Building 1, Block 2, No. 26, Jihua 1st Road, Zhangcha Street, Chancheng District, Foshan City, 528000, Foshan, Guangdong, China