General Żwir Sp. z o.o. --> Certificates

Certificates

We hold the following certificates:

FCP ... 
ISO ...

Aggregate control certificates:

broken sand 0 mm – 2 mm ... 
broken aggregate 2 mm – 6,3 mm ...
broken aggregate 6,3 mm – 12,5 mm ...
broken aggregate 12,5 mm – 25 mm ...

washed sand 0 mm – 2 mm fraction ...
washed gravel 2 mm – 8 mm fraction ...
washed gravel 2 mm – 16 mm fraction ...
washed gravel 8 mm – 16 mm fraction ...

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