2021 is destined to be an unusual year. Affected by the repeated global epidemic, the rise of commodity prices, the tension of international shipping and other factors, the overall pace of global economic recovery slows down, coupled with a series of problems, such as shrinking orders, sharp rise in labor costs and high production costs, which will undoubtedly make it worse for manufacturing enterprises. We should have a clear understanding of the current economic situation. The future trend may be more difficult than now. No one can predict how long this round of economic winter will last. Under this severe situation, the operation of the company is greatly affected by the international and domestic environment. Internationally, with the spread of the epidemic in the world, many countries have adopted policies such as restricting the movement of people, canceling flights and closing customs. Although the epidemic situation in various countries has basically slowed down, the impact will continue for quite a long time. The shipping supply chain still cannot be solved in the short term. There is an imbalance between container supply and demand, the efficiency of port operation has decreased, it is difficult to book space, and the price remains high. At the same time, the appreciation of the RMB has increased financial risks, which has a great impact on our export price sensitive and low value-added commodities. The resulting exchange rate changes have also deterred many foreign buyers from taking a wait-and-see attitude. At home, the real estate industry is expected to be poor, sales continue to decline, and HD events continue to ferment, which has a great impact on downstream home building materials enterprises, affect market sentiment, and cast a shadow on the expansion of Engineering channels. From a macro perspective, shouguang sino source is a link in the industrial chain and is in the middle of the industrial chain. Generally speaking, upst