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 1804, Room 1805, Room 1806, Room 1807, Building 4, Oriental Liyuan, Tangkeng Community New Town, Pingshan Street, Pingshan District, Shenzhen