On June 8, 2021, a fire accident occurred in the phase II trial production line of finished product packaging workshop of sealant project of Hoshine Silicon Industry Co., Ltd  in western Xinjiang (Main silicone sealant materials supplier); The production line is a production unit of Hoshine silicon project， which is still in trial production stage and does not involve the production products.

The fire accident make the delay of Hoshine Silicone Phase II production line, while Phase I production line is not affected; According to the previous research, the growth rate of demand is expected to be 15% and that of supply is expected to be 13% in 2021. The increment of supply and demand is relatively tight and balanced, and the price has been fluctuating at a high level at this year. After the fire accident, most of the manufacturers suspended to offer the prices, which made the market with tight supply even more difficult.