Bonnell Spring Units for Mattress and Sofa

Our springs are all made from spring steel wire of ShaSteel Mill, where the best spring steel wire in China is produced. Though steel wire of ShaSteel is more expensive than others, we still choose it as the material to ensure the best quality. Traditional bonnell innersprings of mattress and sofa. They can be packed into rolls or flat-pressed crates. We are always trying our best to meet your requirements.