Air pumps and compressors are devices used to fill various objects with air or gas. Both air pumps and compressors work by compressing air and storing it for later use.
The surface of suede fabric is plump and delicate. Because the fibers on the surface are very thin, it forms a multi-layer structure, with small reflective points, luster, and soft color. The slender fiber has low bending stiffness (referring to the abili
Tungsten plates are manufactured accoring to the GB/ t3875-2007 and astmb760-86 Tungsten slab after deformation is greater than 60% or more of the forging after rolling processing, the density of plate basically belongs to the theoretical density (19.3 ɡ