If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Hyaluron pen for filler Item No.: K22 Injection depth:6-8mn Resolution:0.01ml Single injection metering :0.05-0.3ml Machine weight: 75g Machine size:16.5cmx3cm Patent No.:201830209086.8 * * —Please choose an option— * Send