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
Yantai, Qingdao, TIanjin
Address
Room 508, Yeda Huigu, No. 2, No. 32, Zhujiang Road, China (Shandong) Pilot Free Trade Zone, Yantai, Shandong, China, 264000