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
206, 2nd Floor, Building 5, Zichen Garden, Zhongzhou City, Zhengshang, near No. 22 South Third Ring Road, Guancheng Hui District, Zhengzhou City, Henan Province