In Jinchang, China, there are several technical companies that specialize in various aspects of technology.

1. JinChang Technology Co., Ltd.
This company is based in Jinchang and specializes in the development and manufacturing of advanced technologies, including semiconductor devices, microprocessors, and electronic components.

2. JinChang Intelligent Systems Co., Ltd.
This company is based in Jinchang and specializes in the development and manufacturing of intelligent systems, including artificial intelligence (AI), machine learning (ML), and computer vision (CV).

3. JinChang Energy Technology Co., Ltd.
This company is based in Jinchang and specializes in the development and manufacture of energy technology products, including solar panels, wind turbines, and energy storage systems.

In conclusion, there are several technical companies in Jinchang, China, that specialize in various aspects of technology, including semiconductor devices, microprocessors, and electronic components.