中文字幕无码久久人妻_中国无码a一级刺激片_国产综合色产在线观看_色多黄片资源2020

China's TISCO boasts research, development of high-tech stainless steel products

Source: Xinhua| 2019-06-04 19:43:39|Editor: Li Xia
Video PlayerClose

CHINA-TAIYUAN-TISCO-STAINLESS STEEL (CN)

Workers of Taiyuan Iron and Steel (Group), or TISCO, operate steel rolling equipment in Taiyuan, north China's Shanxi Province, May 24, 2019. As a leading stainless steel maker, TISCO boasted research and development of high-tech stainless steel products by large efforts on innovation. So far TISCO possesses over 2,700 authorized patents, including 772 patents for invention. (Xinhua/Cao Yang)

   Prev 1 2 3 4 5 6 7 8 9 10 Next   >>|

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001381164141