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
Qingdao, Shanghai, Tianjin
Address
Room 602, Unit 1, Building 85, No. 28, Chengyang Section, 308 National Highway, Chengyang District, Qingdao, Shandong, China, 266801