Company BLAS-TIP has been cooperating for more than 30 years with »Inštitut za metalne konstrukcije« (IMK Ljubljana), who performes tests and production control. Therefore we can issue, on your prior request and agreement, certificates by SIST EN ISO 898-1 and SIST EN ISO 10204:2004 for all delivered products.
Institut IMK had also certified us for construction bolting by:
SIST EN 14399-1:2015
SIST EN 15048-1:2007
They are still controlling and supervising our production