Changzhou Wujin Great Wall Tools Co., Ltd. Professionally produce each kind of power tools. Our main product: The hot air gun, polisher, grinder, fan heater, spray gun, ultrasonic distance measurer, etc. Our products have obtained GS, EMC, CE, UL & cUL certificates. Our company has passed ISO9001: 2000. Our annual output reaches 6, 000, 000 sets. We possess excellent technical forces; Complete measuring instruments and reliable products quality