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 2102, Unit 1, Building 3, Zhengshang Jingkai Plaza, Hanghai East Road & 9th Avenue, Jingkai Zone, Guancheng Hui District, Zhengzhou City, Henan Province, Zhengzhou, Henan, China, 450000