Experts for your hot runner system challenge At the forefront of the technical hot runner heating revolution, Ruifengxin is building upon 20 years of experience as we look to push the frontiers of heating technology ahead. Our technical team well know how to weld, insulate, heat and control. High capability to meet delivery time With our swage, milling, welding and CNC machines, and enough experience engineers and workers, we can supply products within 2-4 weeks. Produce good quality products With good materials(stainless steel sheath, 80/20 NiCr wire, MgO insulation and etc), and continuously improving processes and tests, we supply good quality products.