Noble Procetech Engineers One Of The Leading Manufacturers and Supplier Of Toluene Dosing Pump in Nagpur. A Toluene Dosing Pump is a precise dosing pump specifically designed for safely handling and metering toluene, a volatile organic compound commonly used in the chemical, pharmaceutical, and manufacturing industries. Since toluene is flammable and potentially hazardous, dosing pumps for toluene are designed with safety and reliability in mind to prevent leaks and ensure accurate dosing.