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 1603, 16th Floor, Workshop 1, Zhigang Chengfa Industrial Park, No.11 Dongsheng South Road, Chen Jiang Street, Zhong Kai High-tech Zone, Huizhou City.