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
Room 201, No. 3 Xinlong Industrial Road, Changyaoling, Zhongluotan Town, Baiyun District, Guangdong Province, P. R. China, Guangzhou, Guangdong, China