Product proportion of Tianke Heda

Tianke Heda's main products include silicon carbide wafers, other silicon carbide products and silicon carbide single crystal growth furnaces, among which silicon carbide wafers are the core products, with revenue exceeding 50% of the total revenue. From the perspective of the main business composition, from 2017 to 2019, the proportion of Tianke Heda's silicon carbide wafers and silicon carbide single crystal growth furnace business increased, while the proportion of other silicon carbide product business decreased, but still accounted for more than 30%.