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, Guangzhou, Hongkong
Address
Rm. 306, 3/F, Bldg. 6, Changyuan New Material Port, No. 2 Gaoxin C. Ave. 1st, Nanshan Dist, Shenzhen, Guangdong, China, 518057