ironing board cover for wall ironing board_nappes en plastique

Because there are many large livestock in pasture, and because of the large cost of development and easy to be destroyed by livestock, galvanized barbed rope is the best choice for enclosure. Pasture installation thorn rope is necessary,  wire mesh factory to introduce the role of pasture installation thorn rope。

The invention technology is used to put zinc block into the plating aid pool regularly, so that the bivalent iron in the plating aid becomes trivalent iron, and plays an important measure to stabilize the PH value within a numerical range, and also facilitate the filter filter out the trivalent iron ions in the plating aid; Ferric ion is controlled between 0.3 and 1.0g/L; When hydrogen is not released in the plating aid, the zinc block is continued. It is an effective measure to reduce zinc slag, improve the fluidity of zinc liquid and reduce the thickness of zinc layer to play the role of plating aid filter.