About us Welcome to WELLBANK GLOBAL PRIVATE LIMITED. We are a Singapore registered company with business that spans across the globe, privately owned and based in Singapore since 2006 as a general commodities wholesale company. We have since grown and evolved into one of the leading international base oils wholesaler. We are engaged in the energy and petrochemical business, including Base Oil, Used/Waste Oil, Engine Oil, Bitumen, Paraffin Wax, Soda Ash and other petrochemical products. R...