The Yimen Guangdong Industrial Park is a "park-within-a-park" project developed in the Maizitian area of the Yimen Industrial Park through a collaboration between the Yimen County People’s Government and the Guangdong Chamber of Commerce in Yunnan Province. The project is being invested in and constructed by Yimen Yunyue Investment Co., Ltd. Since its official establishment in Yimen in 2015, the park has been actively attracting investment. The long-term development plan involves a total investment of 20 billion yuan and a construction area of 10,000 mu, while the near-term development plan entails a total investment of 4.5 billion yuan and a construction area of 3,000 mu.