Pebble is a natural stone, which is derived from the sand and stone hills produced by the uplift of ancient riverbed after the crustal movement of tens of millions of years ago.
It is widely used in M-sand production and stone shaping in the fields of water conservancy, hydropower, expressway, high-speed railway, high-rise building and so on.
It is used in Metro Project feeding and large mixing station and other fields.
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