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.
Nearest Port
Shenzhen Port, Guangzhou Port
Address
3/F, Bldg. C, No. 6, Tingshi South Road, Chaoyang Village, Shimen St., Baiyun District, Guangzhou, Guangdong, China