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 618-1, 6th Floor, Building 1, Haoyahao E-commerce Industrial Park, No. 555 Dongsheng Avenue, Qingshan Lake District, Nanchang City, Jiangxi Province