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
Factory 1: No. 1-101 Xiashanwo, Changzhongxi Rd., Zhongluotan Town, China. Factory 2: Huaqiao Industrisl Park, Yinde, Qingyuan, Guangzhou, Guangdong, China