china iron wire nails

3. Acid activation acid activation solution should be able to remove corrosion products and oxide film (skin) on the surface of parts, without excessive corrosion on the matrix.

Hexagonal net structure can be used for slope support, excavation, rock face net mine support form, slope vegetation (green color), railway road isolation block, it can be made into a cage, pad, used for river, flood dam and seawall erosion protection and reservoir, river closed cage. Driving and guiding rivers and waterlogging disasters are major water erosion damage to rivers, resulting in flooding, resulting in significant loss of property and loss of water and soil. Because of this, in dealing with these problems, the application of the living grid structure becomes a solution plan, which makes it possible to protect the shore forever.