The product is manufactured in accordance with GB4004-83, JB/T7600.3-94 and DlN46395 standards. Its common carbon steel Q235 (A3) thin steel plate punched into corrugated type serves as the lateral plate; And its mandrel and major body are supported by four-groove reinforcing steel bars.

The product has the characteristics of not only strengthening the strength of bobbin, but also having light weight of bobbin, which can be used for buncher, stranding machine, extruder, cabling machine and armouring machine.