| Shengli Oil Field is the second largest oil-yielding base in China. It has 20930 oil wells. And it need to purchase all kinds of vittas' duct-bodies more than 30000 tons, thereinto duct-body J55 accounting for upwards of 70%, and the oil-takeingout pumps' canister pipes more than 1000 tons. If a product line of exact and thick ERW (electric resistance welded) pipe is built in Shengli Oil Field, substituting ERW pipe for above two kinds of ducts, the problem of long-term buying the duct-body J55 and the oil-takeingout pumps' canister pipes in costliness will be revolved, and the production cost will be reduced.According to the feasibility research and the financial evaluated theories of investing item, the feasibility of the ERW item is researched. This article is divided into four sections. Theories summarization in the first part. Marketing environment is analyzed in the second part, including the welding-duct industry' s marketing status quo home and aboard, the investing environment of item, the main products' market situation, and etc. Production project is confirmed in the third part, including the item' s product project, production scale, production arts and crafts' selection, accommodation of raw materials, equipments' selection, workshops arrangement, organization structure and personnel' s arrangement, and etc. The estimation, financial analysis and evaluation of this investing item is carried out in the fourth part, including detailed investing estimation, financial indexes' evaluation, uncertainty analysis, and the sensitive factors of this item is indicated. In the end, the feasibility conclusion and suggestion of investing item is put forward. |