Fixed pitch propeller is characterized by fixed pitch, simple installation, low cost, convenient management and small maintenance. If the boat is fix for one function like fix running rpm, so its propeller will come to be a fix pitch propeller which means
image001Ferrite magnet isalso called a ceramic magnet, which is a ceramic material made by mixing and firing large proportions iron(III) oxide (Fe2O3, rust) blended with small proportions of one or more additional metallic elements, such as barium, mangan
Aluminium ingot is primary aluminium ingot used for remelting, casting and deep processing for electronics, energy, transportation, automobile, computer, aerospace, astronomical and chemical industries and other fields of science and technology.
Hot rolled seamless steel pipe is relative to the case of cold rolling, cold rolling is below the recrystallization temperature of rolling, and hot rolling is carried out above the recrystallization temperature rolling.Hot rolled seamless steel pipe inclu