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
Room 814, Building 1, Jingji Yujing Times Building, Huanggekeng Community, Longcheng Subdistrict, Longgang District, Shenzhen City, 518000