... Φ2Φ2.3Φ3mmWire feed wheel gravitation≥7KgQX-2A electric metal wire spray gun is specific equipment that continuously feed single ... -propane as heat source.Application scope: applicable in water conservancy, electric power, machinery, chemical industry, metallurgy, petroleum, papermaking, printing, ... manufactured by our company) roughening equipment model: FD2. QX-2A electric metal wire spray gun