Purchase Qty. Reference FOB Price
1-98 Tons US$789.00
99-998 Tons US$779.00
999+ Tons US$769.00
Product Description
Product Description Bonnell spring description Bonnell springs is popular and traditional,hourglass-shaped,and the ends of the wire are knotted or wrapped around the top and bottom circular portion of the coil and self-tied.All the individual spring are then tied together using spring ...