In 1993, Erqi District established Mazhai Economic Development Zone to implement park-like management of Mazhai township enterprises in the true sense. In May 1996, Mazhai Economic Development Zone was rated as a national-level Spark Technology Intensive Area by the Ministry of Science and Technology. In June 1998, Mazhai Economic Development Zone was renamed Mazhai Industrial Park District, and in June 2007, it was officially renamed Zhengzhou Mazhai (Food) Industrial Park. The overall planned area of ??the agglomeration area is 11.8 square kilometers, and the built-up area is 5.7 square kilometers. There are now 298 enterprises settled in the park, including 69 large-scale enterprises, 19 enterprise engineering (technology) centers at the national, provincial and municipal levels have been established, and the enterprises have more than 360 patented technologies with independent intellectual property rights. A large number of enterprises such as Master Kong Industrial Base, Henan Huahuaniu Dairy Base, Xindafang Heavy Industry, No. 3 Middle Harvest, Dongfang Food Machinery, and Tianfang Group have become leaders in the development of the agglomeration area. In 2010, Mazhai Industrial Cluster became one of the top five industrial clusters in Zhengzhou City with obvious industrial advantages and good scale benefits. From January to the end of June 2011, the operating income of all enterprises in Mazhai Industrial Cluster reached 6.03 billion yuan, a year-on-year increase of 25.1%, accounting for 50.3% of the full-year target; the operating income of industries above designated size reached 4.64 billion yuan, a year-on-year increase of 25.3%, accounting for 50.3% of the full-year target. of 50.1; the actual funds received for investment promotion were 797 million yuan, accounting for 55% of the full-year target.