Abstract: Abstract：In order to facilitate the communication and commercial cooperation between the design resources and the clients, a network supported system of industrial design has been designed. The functional model and work flow have been set up. Tender module manages the tender projects and related resources. Contract-management enables both sides to communicate commercially and to sign electric contract on line. Task-Management module supervises the schedule of implementation and submit of the task and guarantees the project be completed on time. A set of design tools is integrated to provide professional tools for user to employ on-line. A method of comprehensive fuzzy evaluation is used to realize the automatization of bidding evaluation. The feasibility and validity of the system are confirmed by implementing an instance.