San-vij engineers manufactures low cost volumetric liquid filling [tanker loading] or liquid dispensing [tanker unloading] using flowmeter. These are ideally suited for all industrial chemicals, oils, fuel, solvents, etc. By installing such flowmeters, tone can measure the exact quantity of liquid received through tanker or liquid filled into the tanker. Electronic display can be connected to have computerised inventory management. It prevents pilferage of operational systems and keeps accurate record.