FENLI is a globally trusted manufacturer of specialized spinal recovery devices, operating a modern 20,000-square-meter facility with automated production lines and CNC tooling. Our Back Massage Hammer is engineered specifically for paraspinal tissue recovery, combining high-torque brushless drive motors with vibration-isolated extended handles. Every massager passes multi-stage quality audits, including high-compression stall testing, acoustic isolation tuning under 46 decibels, and strict electrical safety checks. Producing over 50,000 massagers monthly, FENLI provides complete OEM and ODM partnerships for global healthcare and retail brands. From custom extended handle lengths and custom shell finishes to bespoke retail packaging, we deliver turnkey solutions backed by ISO9001, CE, FCC, and RoHS certifications.