国产自产v一区二区三区c白浆-av色欲无码人妻中文字幕-久久人人添人人添爽人人片av-最新国产精品拍自在线观看最新欧美在线观看亚洲精品福利片

Standards research and revising: mainly including the research and revision of international standards, national standards and enterprise standards. So far we have accomplished totally thousands of items of various types which are widely used in the process of design and production for manufacturing enterprises.
Standardization subject research: mainly undertaking the standardization research which are commissioned by countries and ministries. Now we have undertaken dozens of subjects including the special grand national science-technology project, the project supported by national science and technology, the 863 project, the National Standards Commission-based public project and the basic research from COSTIND(Commission in Charge of Science, Technology and Industry for National Defense).

国产自产v一区二区三区c白浆-av色欲无码人妻中文字幕-久久人人添人人添爽人人片av-最新国产精品拍自在线观看最新欧美在线观看亚洲精品福利片