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
Yiwu, Guangzhou, Tianjing
Address
Unit 1, No. 8, Shangzao Village, Gaofeng Community, Dalang Street, Longhua District, Shenzhen 107, Shenzhen, Guangdong, China