Quality spring mattress/Pocket spring mattress

For the bonnell spring,
Steel wire, 2.1mm -2.4mm
Helical wire, 1.3mm or 1.4mm
Border wire, 4.0mm -5.0mm
The following are the common specifications of the single spring used for the spring unit.
Wire Diam.: 1.6-2.4mm
Top Diam.: 4.5-5.5cm
Waist Diam.: 6.5-7.5cm
Border Wire: 4.8-5.0cm
Height: 8-23
Turns: 4-7
We have two kinds of packing ways.
Roll packing---without the border wire
Flat compress packing---with the border
For the bonnell spring,
4 turns, height range 85mm - 105mm
5turns, height range 135mm - 150mm
6turns, height range 145mm - 170mm
Steel wire range, 2.1mm -2.4mm
Helical wire range, 1.3mm or 1.4mm
Border wire range, 4.0mm -5.0mm
What's more, we can make other special size according to your detailed requirements.