Spring coiling machine making bonnell and lfk springs. Electronically controlled. Changeable knotting module. Patented product. Characteristics. Of. Automatic spring coiling machine for bonnell and lfk spring. (spring coiling machine; bonnell spring coiling machine; lfk spring making machine; mattress spring coiling machine; spring machine; spring mattress machine; bedding equipment). 1. Electrically Controlled coiling head;. 2. Motion unit with 10 arms;. 3. Available for both bonnell spring... Read More