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
2nd Floor, No. 3 Plant, No. 1 Industry Zone, Pingan 2nd Road, Xianzhuang, Lirendong Village, Nancun Town, Panyu, Guangzhou, Guangdong, China