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
Shanghai Port, Nanjing Port
Address
Room 508-37, Building C, Nanjing Changjiang International Shipping Center, No. 116 Zhenghe Middle Road, Gulou District, Nanjing, Jiangsu, China, 211100