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
XINGANG QINGDAO
Address
1b801, Sme Science Park, No. 580, Shitong Road, Luquan District, Shijiazhuang, Hebei, China, 050091