Iron machining meanings: (1) special treatment by making raw materials, semi-finished products meet certain requirements to become agents or (2) to improve the appearance, taste, use or other performance work processing technology: bending, flanging, drop material, punching, bending, bulging type, drawing, assembly process welding, riveting and screwing Source: (1) that spend more effort to make products more perfect. Song Yu Wen Bao "recorded sword blow outside collection": "If Martial martial arts, is to test their martial arts, but in addition to be able to pull two exquisite crossbow, and its remaining places pommel horse bows and arrows for stationery, in theory making it through the justice process Gokui . "(2) Refers to do more perfect the finished work. Tao "Remember Jinhua two caves": "After getting into Luodian on the mountain, and on twisting roads, stone workers are filling earth, in order to consolidate the road working." (3) the raw materials or semi-finished products. Such as: machining noodles; processing. (4) Utah overtime. Lu Xun "only set of essays · flower festival": "The next day, however, restore vitality, and on the processing day to do their own work to do." Mao Dun's "Midnight" Twelve: "﹝ Wang and Fu ﹞ come back and exclaimed: ' ...... cancel Sunday processing, work longer hours one hour. '"iron machining, sheet metal processing Changzhou, residential fence processing www.pjxdbjc.com