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.
Address
101,east of 301,401&501,Building E, Junxuan company, NO.16 Yinkui Road, Kuixin Community, Kuichong Street, Dapeng New District, Shenzhen,518119 China