Kinlin XC279
http://dcrwheels.co.uk/products/rims/700c-rims/kinlin-xr300/
Don't think it is. That one isn't 'tubeless ready'; it's just a regular rim. It's also 1mm wider at the brake track than those used by Kinesis, and it has a glossy anodised finish, not a matte one.
@Lukas started
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Kinlin XC279
http://dcrwheels.co.uk/products/rims/700c-rims/kinlin-xr300/