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
Room 1209, Building 1, Global Commodity Trade Port, Ouhai District, Wenzhou City 1209-3, 12th Floor, Building 1, Niushan Square, Xinqiao Street, , Wenzhou,