In recent years, with the improvement of Haihao’s popularity, Haihao’s flanges, steel pipes and other products are increasingly used in various extreme environments. Such as submarine pipelines, desert pipelines, wind power projects, nuclear power projects, etc. Now let’s intro ...
As an enterprise specializing in the R&D, production and sales of pipeline engineering supporting products, Haihao Group pays close attention to domestic and international pipeline engineering projects. Today, Haihao shares with you the remarkable African oil projects in 2013.
Angola Begonia ...
