... 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, ... 300,000 pcs / year.*Quality management system: ISO9001Specification: 1.Portable air heater2. Function on propane gas (LPG)3. With over-heating ... Stock raising field-chicken house, duck house, etc. Gas Forced Air Heater