What large and medium-sized factories are there in qingbaijiang district? (List the names. )

The factories with tens of thousands of employees are: Panzhihua Iron and Steel Group Chengdu Steel and Vanadium Co., Ltd.

Sichuan Jintang Industrial Zone Construction Committee was established. 1957, the state reduced the scale of capital construction. Of the seven projects planned for Jintang Industrial Zone, only the Sichuan Fertilizer Plant 1 project under construction is reserved. In July of the same year, the Provincial People's Committee revoked the Jintang Industrial Zone Construction Committee, and the construction of Sichuan Chemical Fertilizer Plant was led by the Chengdu Municipal Committee, and the local administrative work was mainly undertaken by Jintang County.

During the Three Kingdoms period, Zhuge Liang, the prime minister of Shu and Han Dynasties, made many northern expeditions to the Central Plains, all of which passed through the Qingbaijiang River, and left "eight consecutive droughts ruins" in his strategic location (now Mi Mou Town).

1956, Sichuan Chemical Fertilizer Plant (later renamed as Chuanhua Group Co., Ltd.), one of the major projects of the National First Five-Year Plan, was decided to be built in Huayan Township, Jintang County (now the main urban area of qingbaijiang district, Chengdu).