... Micro Needle Roller System-LD-R2 Material:Titanium size: 0.2mm, 0.3mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm,2.5mm CE ... ,ISO13485 Titanium Micro Needle Roller System-LD-R2 The Parameter:-8 disks x 25 ... unique nano-compounding the role of biological factorssymptomatic and purposeful, with dramatic effect, the product composition penetration rate than the general ...