Announcement selection: Tianqi Lithium Corporation(002466) it is estimated that the operating revenue of lithium concentrate from January to February will increase by about 366% year-on-year

E company news, Hengbao Co.Ltd(002104) : the company currently has no business related to electronic ID card Tianqi Lithium Corporation(002466) : from January to February, the operating revenue of lithium concentrate of the company is expected to increase by about 366% year-on-year Rongsheng Petro Chemical Co.Ltd(002493) : it is proposed to repurchase shares with 1 billion yuan to 2 billion yuan Weihai Guangwei Composites Co.Ltd(300699) : the shutdown has a certain adverse impact on the company's operating performance in the first quarter Xinjiang Daqo New Energy Co.Ltd(688303) : the net profit in 2021 increased by 448.56% year-on-year, and it is proposed to pay RMB 10.6 Shandong Shida Shenghua Chemical Group Company Limite(603026) : from January to February, the net profit increased by about 97.7% year-on-year Gigadevice Semiconductor (Beijing) Inc(603986) : the total operating revenue in the first two months increased by about 49.22% year-on-year Shede Spirits Co.Ltd(600702) : the net profit in the first quarter is expected to be 460560 million yuan, with a year-on-year increase of 52% - 85% Ingenic Semiconductor Co.Ltd(300223) performance express: the net profit in 2021 was 933 million yuan, with a year-on-year increase of 117408% Jolywood (Suzhou) Sunwatt Co.Ltd(300393) : it is proposed to invest 14 billion yuan in industrial silicon and high-purity polysilicon projects Tbea Co.Ltd(600089) : it is proposed to invest 17.6 billion yuan to build a green low-carbon circular economy project with an annual output of 200000 tons of high-end electronic polysilicon Tangshan Sanyou Chemical Industries Co.Ltd(600409) released the "three chain group" industrial development plan, with a total investment of about 57 billion yuan.