On the 12th of December, Greenland (600206.SH) had a daily limit of 11.1 yuan, with a total market value of 9.4 billion yuan. After a continuous decline, the domestic silicone market bottomed out in December and the atmosphere picked up, and the silicone DMC market continued to rally. As of last weekend, the average price of the silicone DMC market in several mainstream regions was 17,333 yuan / ton, up 3.17% from the beginning of the month. In the short term, expectations for continued speculation are strong. In addition, the support of upstream manufacturers and the improvement in export conditions have all provided some support to the organic silicon market. Youyan New Materials is mainly engaged in the research, development, production and sales of semiconductor silicon materials. The products can be used in integrated circuits, discrete devices, solar energy (3.560, 0.05, 1.42%) and other fields. The company is currently China's largest important base for research, development and production of single crystal silicon, germanium and compound semiconductor materials with international advanced level.