Step 1: Raw Materials Preparation
To start the production of a pocket coil mattress, you need to prepare all the required raw materials: high-quality steel wire (for the coils), non-woven fabric or woven fabric (for the pockets), mattress side fabric (Mattress Side Fabric) to wrap the four edges, comfort layers such as foam or latex, and cover fabrics (Top Fabric / Cover Fabric). A typical entry-level production might begin with a bulk purchase of steel wire (e.g., 10 tons) to ensure consistent supply.
Step 2: Pocket Spring Production
Next, you produce the individual pocket springs. Using a pocket spring coiling machine, the steel wire is coiled by CNC or automatic system into springs, then heat-treated, cooled, and inserted into individual fabric sleeves. Modern machines may utilize ultrasonically welded pockets for higher precision and better durability.
Step 3: Pocket Spring Unit Assembly
Once pocket springs are ready, you must assemble them into a mattress core unit (pocket spring unit). With a pocket spring assembly machine, you cut springs into rows matching mattress length and width, glue or ultrasonic-weld the rows together, apply border wires or edge support if needed, forming a stable spring unit. This spring unit is the heart of the pocket coil mattress.
Step 4: Layering Comfort Materials & Upholstery

With the pocket spring unit in place, you stack comfort layers on top (and optionally below) such as foam, latex, or micro-coils. Then you place the unit into the mattress ticking: cover fabric + side panel fabric. The edges are sewn using a mattress tape edge machine that binds the top, bottom and side panels together.
Step 5: Quality Control and Final Steps
Before packaging, the mattress goes through quality checks: spring height variation, edge firmness, fabric stitching, overall feel. After passing inspection, it is ready for packaging and shipment.
Why pocket coil mattresses are popular:
They provide independent spring support, excellent motion isolation (e.g., one side compressed a lot little effect on the other side), and are preferred in the high-end market. Manufacturers investing in precision pocket spring machines gain competitive advantage.