... to cooperate with foreign partners all over the world, for example,the Rio tinto bought a large amount of products ... Transport crud oil, petroleum. 6. Transport sand\mud\slurry for dredger in dredging projects or sand suction projects. Advantage:1 ... 8 weight of steel pipe, easy for transportation and installation.11. Flexible metal flange for connection, easy for installation and disassembly.12. Smooth ...