By January 1, 2017 each steel watertank is identified with new labels. Each steel watertank plate is marked with a decal, showing specific information on ring and position of the plate, as well as steel quality, strength, supplied zinc quality and coating.
One watertank panel in the upper ring shows two decals serial numbers. Each BUWAtank can be identified on production day, material batches of which the tank was produced. And tank will show an decal with all relevant information concerning CE-certification.