日韩欧美在线视频免费,黄色国产91,欧美日韩亚洲国产,最近中文字幕在线,性高爱久久久久久久久,亚洲精品午夜不卡,一区二区三区福利视频

Physical and Chemical inspection center of Xingtai Steel to Participate in the National Laboratory Proficiency Testing results for "satisfied"
  Updatetime:2014-10-23 Hits:

  In order to ensure the accuracy of the laboratory testing data, Physical and Chemical inspection center of Xingtai Steel actively take part in international and domestic laboratory proficiency testing organized by China National Accreditation Service for Conformity Assessment(CNAS). In 2014, Xingtai Steel applied for four projects such as calcium silicon alloy chemical composition analysis, spectrum determination of chemical composition in low alloy steel and metal material bars tensile test and so on which has been informed two evaluation results with "satisfied" through a series of strict examinations for unified samples according regulations and submitting inspection reports according to relevant requirements by affiliated product testing room and central lab.