Documents
The production of El Stomana is subject to external control in independent laboratories. As can be seen from the attached certificates, our production meets all global standards, guaranteeing high productivity and increased profits for our customers.
01
Test protocol for 60 mm. steel balls, carried out in an independent Spanish laboratory
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Test protocol for 70 mm. steel balls, carried out in an independent Spanish laboratory
01
Test protocol for 60 mm steel balls, carried out in an independent Spanish laboratory
02
Test protocol for 70 mm steel balls, carried out in an independent Spanish laboratory
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Test protocol for 80 mm steel balls, carried out in an independent Spanish laboratory
04
Test protocol for 100 mm. steel balls, carried out in an independent Spanish laboratory
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Test protocol for 120-125 mm. steel balls, carried out in an independent Spanish laboratory