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. 328-329, Chuang Ke Space, Dongsheng Pedestrian Street, Shengze Town, Wujiang Dsitrict, Suzhou City, Suzhou, Jiangsu, China