Mar 07, 2021 Apr 28, 2020 2. Pebble sand machine is widely used in mines. By using the sand making machine, the early grinding of the ore can be carried out, which plays an important role in making the pebbles available for grinding and reducing the investment of grinding equipment. Non professional equipment can also meet the needs of work, but not so detailed. Manufacturer of Natural River Pebbles - River Pebble, Marine Black Natural Pebbles offered by Ajmera Marble Industries, Jaipur, Rajasthan. ... Jaipur, Rajasthan. repeat Ajmera Marble Industries. Vishwakarma Industrial Area, Jaipur, Rajasthan. GST No. 08AADFA1109P1ZI. 08048941068 65% Response Rate. Send E-mail. Know Us / ... processing and ... 11/95 Sand And Gravel Processing 11.19.1-1 11.19.1 Sand And Gravel Processing 126.96.36.199 Process Description1-6 Deposits of sand and gravel, the unconsolidated granular materials resulting from the natural disintegration of rock or stone, are generally found in near-surface alluvial deposits and in subterranean and subaqueous beds.