| 摘要 |
PROBLEM TO BE SOLVED: To purchase a desired material at a proper price, to quickly decide its delivery trader and also to rationalize a business procedure for generating a written estimate or a contract. SOLUTION: This electronic purchase system is constituted of an estimation- requesting side, for example, an estimate requesting data generating part 4 and an estimate answering data processing part 5 which are constructed on a personal computer 1 arranged in the purchase part of a construction office or a construction company and an estimation-requested side, for example, an estimate requested data processing part 6 and an estimate answering data generating part 7 which are constructed on the personal computer 3 arranged in a tranding company or a material manufacture. Then, the personal computer 1 is mutually connected to the personal computer 3 through a communication network 2. |
