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
Wenzhou Port, Ningbo Port
Address
In Kunming's Wuhua District, Heilinpu Street Office, the Qishangyuan Golden Field Residential Community A1-1 Plot No. 4, Building No. 20 on the 20th Floor, Room, 650000