Research On Cost Control Of Product Design And Development Step In The Security Company

The stage of product design is a critical step for company. Most elements of product cost are formed in this stage. Majority of researches show that 80% of the product cost is decided in the product design stage, which means product cost is almost fixed in the design stage and few elements can influence it even in later steps. So, in order to get efficient control of product cost, we have to put emphasis on research of product cost control in design stage.The aim of this essay is to provide relative theories and practical references to those security companies which seeking the method of cost control via doing research on product cost control in design stage.In the first part, the writer analyzed the current state of cost control in security companies in our country and gave a sketch of theory of research which is the base of deep analysis in later paragraphs. So it is necessary to do research on cost control in the stage of product design.In the second part, the writer introduced the theories of cost control in the stage of product design and four common methods of cost control. Then brought up some new methods of cost control and introduced relative knowledge.In the third part, the writer showed the effect in practical use of the theories of cost control through the case of S company. By analyzing the cost control theories used by S company, the writer provided some improvement measures.