We are a mining company in Peru with high reserves of silica (SiO2, purity silicon) IN-SITU-EX-WORDK legal and environmental regulation.We target companies: Photovoltaic, glass, ceramics, electronics, agro-industrial, cement, steel, chemical, ...

1. 1commodity: Portland Cement Type I 2specification: Conforming to ASTM C-150 1 Standard Description C 150 Test Result PHYSICAL PROPERTIES: Fineness, specific surface: - Air permeability test (m2 / KG) Min 280. 00 329. 0 Autoclave expansion (% ) Max 0. 80 06 ...

company engaged in the production and sale of metallic and nonmetallic minerals in thousand tonnes