ISO-9001:2015
Extraction, processing and supply of quartz for the production of Si/FeSi/SiMn and aggregates for construction.
ISO-14001:2015
Extraction, processing and supply of quartz for the production of Si/FeSi/SiMn and aggregates for construction.
ISO- 45001:2018
Extraction, processing and supply of quartz for Si/FeSi/SiMn and aggregates for concrete. Sampling and physico-chemical analysis to ensure the quality of the final product.
UNE- 22480:2019
Extraction, processing and supply of quartz for the production of Si/FeSi/SiMn and aggregates for concrete. Sampling and physico-chemical analysis to ensure the quality of the final product.
CE Marking
Factory production control certificate of conformity.
Environmental Product Declaration
Natural Aggregates.