Pressing Workshop In our workshop, there are about 80 punching machines, ranging from 6.3 tons to 630 tons. We are also have over 30 advanced equipments. For example: spot welding machine, plate sheering machine, lathe, milling machines, planing machine, grinding machine and etc. The workshop has occupied a total area of 5,000 square meters, and currently our business having been centralized in foreign process.