Through the several decades of development of casting technology in high-voltage switchgear

this paper narrated the developing history of casting industry of Chinese high-voltage switchgear field

indicated the challenge and opportunities China’s reform had brought to Chinese enterprises and technicians.Furthermore

it made the casting professional technicians starting the exploration for the casting technology of casting aluminum alloy components in high-voltage switchgear industry from preliminary stage to mature stage.Moreover

it summarized the key points of the casting technological design and developing application process of different types of components of casting aluminum silicon alloy

and also pointed out the future development trends.