The top 20 most popular technical companies in Puyang can be described as follows:

1. Shangyong Tech Co., Ltd.: A prominent player in the local tech scene, offering innovative solutions.

2. Huayi Automation Inc.: A well-established company specializing in automation technology for various industries.

3. Pingan Technology Group: A large-scale tech firm, with a strong presence in Puyang’s tech landscape.

4. Jingdong Smart City Co., Ltd.: Leveraging their expertise in smart city technologies, they contribute significantly to the region.

5. Yutian Information Technology Co., Ltd.: A company specializing in IT services and solutions, promoting digital transformation in Puyang.

These companies, alongside others on the list, are not only popular in Puyang but also play a significant role in shaping the local tech landscape.