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.
Nearest Port
Yantian Port, Shekou Port
Address
Room 1503, Building 3, Tai'an City, 7 Liyuan Road, Xuzhen, Zhangmutou Town, Dongguan City, Dongguan, Guangdong, China, 523622