Calcite mining and processing plant

OBB Machinery is professional manufacturer of calcite Crusher and Calcite Grinder Mill. It supplies all kinds calcite…

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Limestone crushing plant

Limestone is a common nonmetallic minerals, It is widely used in the Mechanical and Production Engineering Technology…

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Silver mining plant

Silver is a soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and…

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Established 30 years

Annual output value of 4 billion

Production area of ​​600,000 square meters

More than 160 global marketing networks

Our Products

Independent research and development, technology, transformation of productivity