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Luoyang Institute of Refractories Research(LIRR), a wholly owned subsidiary of China Iron & Steel Industry & Trade Group Corporation, is a high-tech enterprise that has passed the ISO9001 international quality system certification. LIRR has a strong technical team as there is a galaxy of skilled people composed of more than 160 senior research engineers (Some of them are of the professor level) of refractory and related specialities including over 40 ***tors and masters, and more than 1, 800 sets of advance...
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