Combined with seven measuring dimensions including technical service, quality control capabilities, innovation ca- pacity, reputation, the scale of strength and cooperation compatibility, capacity for sustainable development, a questionnaire is de- signed , 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 includ...