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
Address
Room 601-E1, Building 1, Phase 1, Jingang Science and Technology Pionner Park, No 1 Kechuang Road, Qixia District, Nanjing, Jiangsu, China, 210046