Unused mini refinery designed to process recycled oil to produce base oil, white oil and other products such as asphalt flux and ultra-low sulfur diesel. The base oil and white oil products are the raw materials to produce lubricants. The refinery includes three process units: (1) Preflash atmosphere distillation, (2) vacuum distillation unit, (3) hydrofinishing unit. Thermal oxidizer for emission control is available. The plant is partially installed. Most equipment is still in storage. All the equipment is never used.