摘要
LIRR, a wholly owned subsidiary of SinoSteel Corporation, is a high- tech enterprise that has passed ISO9001 quality system certification. With over 40 years experience, it enjoys a good fame worldwide in refractory industry. Main products：
LIRR, a wholly owned subsidiary of SinoSteel Corporation, is a high- tech enterprise that has passed ISO9001 quality system certification. With over 40 years experience, it enjoys a good fame worldwide in refractory industry. Main products：
