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
Group 2 Chengde Villiage, Dongxing Town/Building 1, Group 6 Beihe of Hexing Villiage, Jingjiang City, Taizhou, Jiangsu, China