... 2.Perfect design, no obvious parting line can be seen from all sides.3.Different from traditional technology, ... of parting line <0.01mm and can hardly be seen with naked eyes.5.High hardness on the ... to install,harmless to keys7.The surface can be treated with several effects,such as UV, rubber ... mirror surface treatment, etc.8.Patterns flexible, can be designed to customer's need.9.Exquisite appearance, ...