The demand of the market is changing ceaselessly, more and more slashing to the demand of the structure of the product, function, make the development of new product becomes more and more complex thereby. The enterprise should strive to be in the shortest time (inside T) , spend least fund (C) , production gives contented market demand (the product of Q) . So already more and more enterprises realise use PDM comes the organization, value that access and manages design, development to reach production data. Use PDM technology can shorten the product appears on the market time, reduce the cost of the product, improve the quality of the product. The times that this technology is competing now, increase the capacity of meet an emergency of the product, enormous beneficial result produces in market competition for the enterprise. CNC MillingCNC Machining