上纬新材跌2.00%，成交额1.28亿元，主力资金净流出1136.93万元

Group 1 - The core viewpoint of the news is that Shangwei New Materials has experienced significant stock price fluctuations, with a year-to-date increase of 1582.75% and a recent decline of 5.02% over the last five trading days [1] - As of November 20, the stock price is reported at 111.60 CNY per share, with a market capitalization of 45.015 billion CNY [1] - The company has seen a net outflow of main funds amounting to 11.3693 million CNY, with large orders showing a buy-sell ratio of 28.85% to 36.94% [1] Group 2 - Shangwei New Materials, established on October 25, 2000, specializes in the research, production, and sales of environmentally friendly high-performance corrosion-resistant materials, materials for wind turbine blades, and new composite materials [2] - The revenue composition of the company includes 46.26% from environmentally friendly high-performance corrosion-resistant materials, 40.07% from wind turbine blade materials, and 5.69% from new composite materials [2] - As of September 30, the number of shareholders has increased by 238.94% to 19,700, while the average circulating shares per person have decreased by 70.50% [2] Group 3 - Since its A-share listing, Shangwei New Materials has distributed a total of 77.8304 million CNY in dividends, with 45.5744 million CNY distributed over the past three years [3]