国产午夜一级,欧美三级午夜理伦三级在线观看,国产精品另类激情久久久免费,一级毛片免费高清,99精品黄色,日韩超级大片免费看国产国产播放器,亚洲精品日韩一区二区电影

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.