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
ROOM 1516, BLOCK E, JINHE BUSINESS BUILDING, NO. 42, HUA'AN WEST ROAD, ZHENGDING COUNTY, SHIJIAZHUANG CITY, HEBEI PROVINCE CHINA