国产精品视频区,国产美女精品在线观看,一本大道久久精品,欧美国产一区在线,99视频久,久久久久久精,日韩三级久久

      Cangzhou Xinyida Pipeline Co., Ltd. was established in July 2003 and is located in Cangzhou Economic Development Zone. It covers an area of 400000 square meters and has a registered capital of 181 million yuan. It is an industrial and commercial enterprise that integrates the production and anti-corrosion processing of spiral steel pipes, as well as the operation and sales of seamless steel pipes, coils, strip steel and other types of steel. The company currently has over 400 employees, including more than 120 personnel with intermediate and senior technical titles.