... spring,, innerspring, mattress spring, sofa pocket spring, mattress spring, customized mattress springinnerspring,spring unitsmattress spring, sofa pocket spring Bonnell Springs Our company produces bonnell springs and bonnell spring ... Springs (mm): 100-160Diameter of Spring (mm): 80-93 Spring Unit Configuration-Standard single (90cm ... 190cm unit can be configured to include 22, 23, 24 or 26 coils along ...