Quality control & assurance


The company´s own quality controls guarantee high-quality processing of our products.


This is proven by our many types of certification:

  • manufacturer´s approval by Thuringia Technical Inspection Agency (TÜV) according to
    AD 2000 W 9 and AD Data Sheet W0/TRD 10
  • manufacturer´s certification according to DIN EN 1090
  • approval for non-destructive testing according to DIN EN 473 in the UT 2, PT 2 and MT 2 test procedures
  • certified according to DIN EN ISO 9001 : 2008
  • various procedural tests and approvals for MAG and flash butt welding
  • certified in acc. to DIN EN ISO 3834-2


We use the following testing procedures for quality assurance purposes:

  • US testing (UT)
  • surface crack test with penetrant testing (PT)
  • magnetic powder test (MT)
  • destructive material tests



certified in acc. to DIN EN 1090-2:2008 + A1:2011

certified in acc. to DIN EN ISO 9001

certified in acc. to AD 2000-W9 

certified in acc. to DIN EN ISO 3834-2


As a result of having a comprehensive and modern array of machinery, we are able to offer you all the working stages from one source ...


Our direct contact service so that you receive the information personally and quickly ...


We manufacture rings, blanks, flange couplings and flanges in addition to flame-cut parts ...