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
No. 1-6-125(No. 7-1, 7th Floor), Zhaojia Villager Committee, Xinghai Sub-District Office, Xinglongtai District, Panjin City, Liaoning Province, Panjin, Liaoning, China