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
Room 629-633, No. 3 Building Zone C of Eastern Area of Thaiho Plaza, Dong Er Huan, Huagong Road, Yue Feng Zhen, Jin'an District, Fuzhou, Fujian,China