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
Address
2F-5F, Building A, No 335 Baotian1st Rd. TieGang Village, XiXiang, BaoAn, Shenzhen, China, 518102