COS's latest 2016 summer series continues the concise style, even in the hot summer months to maintain the elegance of everyone. However, the crossover of the straps and the large backless design all bring a little coolness to the summer. It is better to let COS help you share this beautiful and cool summer.
Air-entraining agent is mainly used for admixture compounding, which can effectively reduce superplasticizer, improve the water retention, anti-seepage, anti-freezing and pumping performance of admixture products, effectively inhibit the secondary adsorption of cement particles, and reduce the slump and slump of concrete
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