For the selection of textured sand, the effect of relatively uniform particle size is certainly ideal
2022-06-14 14:58:22
Generally, the price of refined acid pickling and passivation textured sand is required. The bottom edge is a small foundation cushion, and the bottom is higher from bottom to large to small. Do not jump, or the softener is easy to infiltrate and endanger the outflow water body. Therefore, improve the filtration rate and the overall face of the enterprise
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