•The castings produced by SSSF, such as electric slag melting guide vanes, can meet the requirements of any flaw detection standard in the world, such as CCH 70-4 and ASTM A609 Level 1. The electric slag melting guide vanes produced by SSSF have been used in more than 80 power stations worldwide and are qualified suppliers to world-renowned hydropower companies such as VOITH, ANDRITZ, GE, TOSHIBA, DEC, HEC, ZFJH, etc.