For some permanent project, especially for some underground projects, duplex coating systems are necessary. Just as its name implies, duplex coating system adopts two anti-corrosion measurements, they are hot-dip galvanizing and epoxy coating.
Variable rate springs function correctly with a wider range of loads than fixed rate springs can. Rate increases as spring is compressed; gives greater protection against frame battering, more consistent lockup and improved feeding, while allowing easier
·Hole size: H6~H50 (mm)·Material: Tungsten carbide and Die Steel-We make Segmented Hex carbide Dies for Carbide Cold Heading Dies used in fastener industry.
This mesh running shoes with new design seamless cutting printing on the vamp, and the outsole using MD and TPR, double MD in the heel it will shock absorption effect, the upper back counter stitching leather to prevent change shape it is that our running