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.10, Zhuhaili Base Commercial Area, Jinhan Road, Intersection of Limin Road and Yuexiu Road, Hexi District, Tianjin City /4f Gather More Center, Fuzhou, China