Technical Double Clutch Injection System Double Clutch Vacuum Multi Pin Injection System: Improved Vacuum method applied. Drug loss 0%, Less pain. Convenient operation without anesthesia. (Shorten the operation time.) Vacuum guide Double Clutch Technic • For drug injection by pneumatic system Drug loss prevention device of injecting GUN. ■ Skin rejuvanation device using multi-hole. • Continuous blood-letting needling device. ■ Multihole operation device, Multi injectable. ■ International registered patent. • Multi needle hub & manufacturing way and jig. ■ Multi needle herb.