| Combined with seven measuring dimensions including technical service, quality control capabilities, innovation capacity, reputation, the scale of strength and cooperation compatibility, capacity for sustainable development, a questionnaire is designed , which includes thirty-seven measurement indicators Secondly, the reliability and validity of questionnaire are tested by SPSS20.0, besides, the thirty-seven measurement indicators are analyzed exploratively. Finally, the index system including twenty-seven secondary indicators, is built, which consists of six first class indicators including technical service, quality control capabilities, innovation capacity, reputation, the scale of strength and cooperation compatibility. It is proved to be scientific and can provide a reference for decision-makers. |