coil machine for hot runner heaters

How to order coil machine for hot runner heaters from China? Is there a coil machine for hot runner heaters heating element? Where is the factory for heater machines for coil hot runner heaters? This is a machine specially for bending the rolls with flat hot running system into helix-shaped heater. It is also applied to coiling and processing small-diameter tube electric roll heaters. The core shaft is driven by the step motor (the core shaft can be replaced). The core shaft