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
Factory Building No. 6, Shitangwan Industrial Zone, No. 22, Zhenshi Road, Huishan District, Jiangsu Province, China Post Code: 213037, Wuxi, Jiangsu, China, 214151