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
Shang Hai, Qing Dao, Lian Yun Gang
Address
Room 2710, Zhenghong Center, Huayuan Road, Zhengzhou, Henan, China, 450000