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
Unit 1698, Building 3, Shengang Industrial Park, South Side of The Road, 200 Meters West of The Intersection of Weidu Avenue and Kunwu Road, Puyang City, Puyang, Henan, China, 457000