Natural selection double level without a sieve bottom wet material crusher efficient finely special equipment and name (coal gangue break) hammer.

天择双级无筛底湿料粉碎机高效细碎专用设备又名（煤矸石锤破）。

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Use the advanced scientific and technological craft, adopt the pure natural silk to make and pack the material, have slim and graceful, warm , soft, level, avoid turning over characteristics;

运用先进科技工艺，采用纯天然蚕丝作填充料，具有轻盈、温暖、柔软、平整、免翻的特点；

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