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
3-11-1, Unit 3, Building 11, Shengjing Tianxia, No. 12 Lanxin Avenue, Shuanglonghu Street, Yubei District, Chongqing City