2021-02-22 In the beginning of 2021, there is a shocking news. Almost all inside and outside the industry are paying attention, that is, the prices of various raw materials have risen sharply. Copper, plastics, aluminum, iron, glass, zinc alloy, and stainless steel have all increased by 30%. ~45%. Many well-known domestic steel companies have issued price increase notices, and companies that need to purchase raw materials at the beginning of the year are instantly exposed.