SX-80 DIGITAL Coiling Machine , The speed is at 80 units one minute. SX-80 machine is our newest model. It catches up with the world advanced technology level by PLC controlling. It has the special characteristics compare to SX-60 machine that is the self-protecting system which is the best way to protect the machine itself. SX-60 Coiling Machine is an auto machine in making mattress springs. The speed is at 60 units one minute.It has a nice structure which keeps a stable and safe productivity. Meanwhile, it is also very easy in adjusting. It is really the economic machine for all mattress factories. SX-200: This machine is a special machine for assembling mattress springs,It can assemble upper and lower springs at the same time operated only by one xxxxx Meanwhile, it also can tight the helical wire in both side and push the end spring bed out automatically when it is finished. The technical parameters such as rolls can be set in computer.