Certificates and General Terms and ConditionsRead here the certificates and general terms and conditions of Büter Hebetechnik GmbH Certificates and Terms and Conditions Homepage » Certificates and Terms and Conditions Conditions General Terms and Conditions of Purchase As of: 16.06.2020 General Terms and Conditions of Sale As of: 16.06.2020 Certificates DIN EN ISO 3834 Re-stamp certificate Welding Certificate EN 1090-2 00538.2015.003 Code of Conduct Code of Conduct