Awọn ẹrọ ti o wulo:
Ile-iṣẹ machining CNC, ẹrọ fifin, ẹrọ imudani deede ati awọn ẹrọ iyara giga miiran.
Awọn ohun elo to wulo:
Ejò, irin alagbara, irin simẹnti, irin ọpa, irin alloy, graphite, ṣiṣu composites, aluminiomu awọn ẹya ara, aluminiomu alloys, ati be be lo.