Factory Price Mattress M Edge Support steel wire Spring
USD $0.08 - $0.3 /Piece
Min.Order:5000 Pieces
Ningbo Mushung International Development Co., Ltd.
Factory Price Mattress M Edge Support steel wire Spring
1.Raw material: high quality steel wire
2.Turns: 4-7 turns
3.Wire diameter: 2.0-2.5mm
4.External diameter: 75-90mm
5.Middle diameter: 40-58mm
6.Height: 150-180mm
7.Main application: bonnell spring unit/sofa for edge support spring
8.Craftmanship: anti-rust and heat treatment