At present, the supply side of the industry has begun to shrink, but due to weak macroeconomic conditions in the domestic economy, demand for products is growing slowly, and the company is in the early stages of profit reversal. As other small production capacity in the industry is completely shut down, economic recovery drives demand growth, and the company's performance will usher in explosive growth. The company is expected to earn 0.35,0.5,0.7 yuan per share for 13-14, increasing the rating