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
East Building 1902, Building C6, Hengfeng Industrial City, No. 739, Zhoushi Road, Hezhou Community, Hangcheng Street, Bao 'an District, Shenzhen, Guangdong, China