Yun-Long Hardware Electronic Products Factory was founded in 2002, and is located in Dongguan City, Guangdong Provice China. Dongguan Heng Li Yun-long Hardware Electronic P... is a professional manufacturer of electronic products and tattoo equipment. we have the most complete line of tattoo$permanent make up machine supplies, including a large selection of tattoo machines, permanent make up machines, tattoo pre-made needles, piercing needles, tattoo disposable tubes, tips, stainless steel tip and tubes, grips and tattoo art books. Our factory has strong technical power and variable product patterns, and can design and development cycle is possible thanks to our in house molding workshop. For more information of tattoo machine structure patent right, you can contact us to get our offical certificate.</p>