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.
Nearest Port
shanghai, Qingdao, Zhengzhou
Address
Room 1302, Floor 13, Building 6, Yard 19, Rantun West Road, Zhongyuan District, Zhengzhou, Henan, China, 450000