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
B Area, 4f, Building 1, New Sun Technology Park, No. 114, Zhulongtian Road, Shuitian Community, Shiyan Town, Bao'an District, Shenzhen, Guangdong, China