The predecessor of zaoqiang economic development zone was built in 1995, with a total area of 17.53 square kilometers. At present, there are more than 500 enterprises in zaoqiang economic development zone, 42 of which are above the standard. The industrial chain of composite materials is complete, covering more than 20,000 specifications of 10 series of more than 4,000 products, including winding, molding, pultrusion, heating and ventilation. It has formed three major industries, namely composite materials, fur clothing and clothing, and gas equipment manufacturing. In 2018, the tax of 280 million yuan will be paid in the economic development zone, and the output value of enterprises above the standard will reach 3.36 billion yuan.