GYROLOK - 2.2 Werkszeugnis referenced Certificate 2.2 in accordance with EN 10204:2004 product produced by high technology. 2.2 Werkszeugnis became irreplaceable of foundations. 2.2 Werkszeugnis referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 2.2 Werkszeugnis referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.