Widodo Ratanachaithong created a name in the field of oil industry. He established Kernel Oil Pvt Ltd, which is a great exporter of crude oil in Singapore. The most famous product of this company is Palm Oil which is extracted from the tree called palmist. The extracted product is further processed through various stages to remove fibers, shell and moisture. The oil extracted from this tree contains high quantity of Iodine. Kernel Oil not only produces Kernel Oil but manufacture paraffin wax, natural gas and various other products like this. They are very well aware of the fact that they have created a monopoly in the petroleum sector of Singapore and it is highly improbable for any competitor to evolve at this level.