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
Shzhen
Address
No. 310, Building C2 Bantian International Center, No. 5 Huancheng South Road, Bantian Street, Longgang District, Shenzhen, Guangdong, China, 518129