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 3105, Building 23-25, Fuji Century Park, No. 888, Sec. 2, Purui Avenue, Yuedao Street, Wangcheng District, Changsha, Hunan, China