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
F/5, Building 9, Zhongguan Honghualing Industrial South Park Ii, 1213 Liuxian Ave, Taoyuan Street, Nanshan District, Shenzhen, Guangdong, China