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
Shenzhen Yantian Port
Address
Building a, Zhongyinhui Science Park, No. 144, Tangxiaying Second Industrial Avenue, Yanluo Street, Baoan District, Shenzhen, Guangdong, China