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
No. 8, Yuwang Village, Zhongxing Community, Datang Town, Zhuji City, China No150-152kaiyuan West Road, Datang Zhuji, Shaoxing, Zhejiang, China