... manufacture specialized in kerosene and gas heater.*Kerosene forced air heater, gas forced air heater, industrial electric fan heater, indirect fired diesel heater etc.*Mainly market: America, ... Quality management system: ISO9001Specification: 1.Portable air heater2. Function on propane gas (LPG)3. With over-heating protection4. ... field-chicken house, duck house, etc. forced air gas heater Accessories