Which USB C Hub Chuwi Surpad

Hello, i recently bought a usb c hub with hdmi, usb 3, rj45 port etc. to use this over the built in usb c connector of the surpad, but it doesnt work.

Which usb c hub is supported to use with surpad?
The specification of the surpads usb typ c connector should be qualified and support it??

Please let me know.