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
3 Floor, Building A2, Low-Carbon Science Andtechnology Industrial Parksilicon Valley Power, Guiyue Road, Zhangge Market, Guanlan Town, Shenzhenguangdong, Shenzhen, Guangdong, China