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 305c, Shun An Office Building, No. 26, Huan Hua Dong Street, Huan Hua Road, Liwan Discrict, Chaozhou, Guangdong, China
