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
Address
Add: 7/F, Building H, Hanhaida High-Tech Park, Genyu Rd, Gongming Town, Guangming New District, Shenzhen, Guangdong, China, 518106