For a production-oriented enterprises, under normal circumstances the total purchase cost accounted for 60 to 70 percent of production cost, so it is the key factor to affect business success and profitability. And it plays two important roles to its enterprise: one is the key to ensure product quality. Good quality input assures good quality output; the other is the important way to enhance the competitiveness. To get the strategic alliance relations with suppliers, jointly develop new materials, strengthen supply chain management, ensure the timely arrival of goods, so as to obtain a competitive advantage.

The purchase on R & D stage needs a small amount of diversification, not only to ensure the materials quality, but also to establish a reliable and potential supply network. Quality is defined as: confirming to the requirements or specifications is good quality, so you should try to understand the quality certification of suppliers when purchasing, and require suppliers to provide materials and parts of the recognition, SGS, samples to ensure that the quality of materials.

Purchase also must have team spirit. Mutual cooperation is an important indicator to measure the team spirit, also the unique magic weapon for enterprises stand the dominant position in the market in the supply chain winning times.

Communication and observe ability is also very important for purchase. Good communication skills, and concerning about the supply chain at any time by the events in the area of raw materials such as price fluctuations, climate fluctuations, sensitive feel  to the impact factors, all can do a good job of timely early warning and preventive measures, but also understan international latest technologies and products.

In short, purchase itself is a very complicated and very difficult task, though the purchase targets, the supplier scale, purchase projects are varied, as long as with adaptable and flexible skills, it will not be difficult to overcome difficulties. In addition, experience, resourcefulness and perseverance are in need of purchase.