From June 1 ！ major companies increase delivery prices With all efforts to suppress the price increase, although some of the skyrocketing raw materials have been corrected, there are still many chemical raw materials that are hard to return on the wa…
European stock markets closed sharply lower as inflation fears swept through global markets and had a consequent impact on the market and prices of straight lace front wigs The pan-European Stoxx 600 index closed down 1.5 percent, led by a 4.1 percen…
What Are Alloy Ingredients? Aluminum alloys can be modified through alloying elements , such as Zinc (Zn) 7xxx Iron (Fe) and nickel (Ni). The alloying agents used in the process modify the properties of the alloy. These agents are added to melt in t…
A cement foaming agent based on animal protein is made mainly from keratin proteins taken from the horns and tendons of various animals, such as donkeys, horses, sheep, goats, and horse. This causes it to have an unpleasant odor. Coproduct, which is…