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由《电气时代》杂志社主办的“中国变频器市场有奖调查”自2002年8月份实施以来,得到了各行业朋友的大力支持,至今,收到问卷近千份。 该项调查引起了广大相关企业的关注,为满足企业的要求,本刊对调查结果进行初步的披露。 为了保证调查结果的准确性,本刊研究人员对所收的问卷进行筛选,初步确定510份有效问卷。该有效问卷涵盖了石化、冶金和机械等十几个行业,企业性质从国企到民营、从内资企业到外资企业普遍涉及。以下有关的调查结果是在该样本量的基础上得出的。
The “China’s Inverter Market Prize Survey” sponsored by “Electric Times” magazine has been supported by friends from various industries since it was implemented in August 2002. To date, nearly 1,000 copies of questionnaires have been received. The investigation has attracted the attention of a large number of related companies. In order to meet the requirements of the company, the publication initially disclosed the results of the survey. In order to ensure the accuracy of the survey results, the researchers of this journal screened the questionnaires received and initially determined 510 valid questionnaires. The effective questionnaire covers more than a dozen industries such as petrochemicals, metallurgy and machinery. The nature of enterprises ranging from state-owned enterprises to private enterprises, from domestic-funded enterprises to foreign-funded enterprises is generally involved. The following related survey results are based on the sample size.