2013 new !!! Cheap Spring Mattress

2013 new !!! Cheap Spring Mattress Ring big core high carbon steel,Height 200mm

Spring mattress structure & main materials

1, using 72 # 6 ring big core high carbon steel, the height is: 160 mm, caliber: 7 cm, 6 ring, wire diameter 2.3 mm. Flyer sixty, wire diameter 1.6 mm. A force spring 65, wire diameter 3 mm.2, the 850 g / square meter  yellow hot pressing blanket 2 slices, 320 g / square meter  white chemical fiber cotton 2 slices.3, fabrics: JinBianBu, clamp fly cotton: the 22 d high elastic sponge, thickness of 12 mm, edge cloth flounce cotton: the 22 d high elastic sponge, thickness of 6 mm.