диван карман пружина

This kind of pocket springs are widely used in various sofa and mattress.The product is made up of quality carbon steel and non-woven fabric.And the steel wire are heat treated which can guarantee high elasticity and good rigidness.While the special design for the fabric is to avoid abrasion and enhance the breathability of the inner springs. We are able to offer you customized sizes. Here is the specification of the inner unit spring: pocket spring diameter of middle coil: 55-70mm diameter of wire: 1.6-2.2mm height: 80-180mm error control: ≤0.5mm what we believe is "quality comes first" and "business starts from friends"