Hesheng Silicon owners should be engaged in research and development, production and sales of new silicon-based materials such as industrial silicon and silicone. Tongwei shares mainly produce and sell aquatic products and livestock feed.

Hesheng Silicon Industry is the enterprise with the most complete industrial chain and the largest production scale in China silicon-based new materials industry. Tongwei, which is controlled by Tongwei Group, is a large-scale private technology listed company with agriculture and new energy as its core.

So the two companies focus on different fields.