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 2804, Second Unit No. 6 Building, Guanyuanyuan, Jinyijinshuiwan No. 36, North Jialuhe Road, Jinshui District, Zhengzhou City, Henan Province, Zhengzhou, Henan, China