Active Member
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[China]
Address: sales@insulator.tech,Changjiang No.1,Tianshan industry park,High-tech zone,Shijiazhuang,Hebei,China
Contact name:lizzybai
HeBei JiuBai Technology Co,Ltd |
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mattress inner spring bonnell spring unit
Product Details
Twin size: 36.5*73 Full size: 51.5*73
Queen size :58.5*78 King size: 74.5*78
height 8-23cm
turn 4-7
spring steel wire 2.0 - 2.4mm
helical steel wire 1.3 - 1.5mm
borde rod 4.0 - 5.0mm
End diameter: 8.2-8.8cm
Middle diameter: 4.0-4.8cm
Bonnell spring coils
Heat Treat
