It is introduces that we are a manufacturer in producing furniture springs for nearly ten years ,such as mattress ,pocket springs,continuous spring ,bonnell spring ,sofa springs bonnell spring units ,coil spring units .spring coils and so on .During these years ,we have gained rich experience in this line also we cna guarantee you the best quolity.
The common specification of one single spring are as below:
Wire used:1.8-2.4mm.
Internal Dia:45-55mm
External Dia:65-90mm.
Border wire:4.8-5.0mm.
Height:60-230mm
Turns:4-6.
Upon the customers offer us the detailed specification information ,we can quote and these are various size available .
All the springs will be heat treated .
We have two kinds of packing ways.
Roll packing --without the border wire.
Flat packing --with the border wire
(with 10-20pieces into one package.