2018亚洲天天射,澳门黄色电影免费三级大毛片,337p欧洲大胆艺术,男人天堂色男人色天堂,三级黄色网站,91亚洲欧美,亚洲欧美日本另类激情

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)

Photo taken on Jan. 10, 2017 shows ballpoint pen tips made of homemade stainless steel at Taiyuan Iron and Steel (Group), or TISCO, in Taiyuan, north China's Shanxi Province. 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)

   1 2 3 4 5 6 7 8 9 10 Next   >>|

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001381164141