Mattress inner spring unit, which is very popular in the world., With
various series, such as 336
and 660...in Twin size,
Full
size, Queen size, King size and so on. For the bonnell spring,
5 turns, height range 135mm - 150mm
6 turns, 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.
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