The Kingdom has been studying setting up the trading platform for the past three months and it does not expect a decision to be made before the next six.
By pressure-cooking birch leaves, researchers produced nanosized carbon dots that can be used in organic LEDs for super-thin TV and mobile phone screens.
“This is a source of income for more than 40,000 households, and we don’t have a response as to what is going to happen to us,” union leader Michael Camacho told reporters.