It is manufactured according to the GB4004_83. JB/T7600.3_94, DIN46395, it is made with the punched
and compacted iron plate, and shaped with welding.
With the big hardness and the lingt weight, it can fit for
using in bunching, stranding,cabling, extrusion and the armouring machine. Enhanced welding steel bobbin is
more stronger than corrugated steel bobbin(below), it's structure and quality are more and more popular in cable industry.