Among the equipments, the vibrator HV20 can perfectly polish all kinds of bone splints in a short period of time, which require rounding off the edges of the work piece by a large margin. Compared to the traditional process, it reduces the cost of processing and received a lot of professional audience. CF-50 polishing machine and DF-tools polishing machine are the classic equipments of OTEC: through wet grinding and dry polishing technology, the work piece can be made into perfect mirror effect, and their market is highly recognized. Ipeco Screw disc automatic sandblast cleaning machine, which comes from Swiss professional sandblasting machine manufacturer, can also provide perfect surface sandblasting treatment for customers. It is widely used in medical industry.