FENLI operates state-of-the-art automated assembly lines certified under ISO9001 and ISO13485, manufacturing high-precision recovery equipment for global B2B clients. Our compact massage gun architecture integrates high-density lithium-ion cells with an intelligent power management chip, delivering up to 8 hours of intermittent operation on a single Type-C charge. Every unit undergoes rigorous dynamic balancing, heat dispersion testing, and 10,000-cycle stress testing to guarantee structural integrity. By utilizing CNC-machined alloy gears instead of plastic alternatives, we maintain whisper-quiet motor operation under 45dB while delivering precise 10mm muscle tissue stroke penetration. As a trusted OEM/ODM manufacturing partner, FENLI provides tailored housing colors, customized silicone attachment heads, custom firmware tuning, and retail-ready sustainable packaging, empowering international brands to dominate the premium personal care market.