I wonder if this is a new position or they haven't found someone yet or someone was hired but didn't work out...... As you can see thus position was posted back in March 2017.
https://agoracom.com/ir/POETTechnologies/forums/discussion/topics/687670-open-position-at-denselight-senior-sales-manager-sales-director-for-china/?message_id=2143175#message