INTERNATIONAL PATENT: RARE EARTH FUNCTIONAL MATERIALS (XIONG 'AN) INNOVATION CENTER CO., LTD., 雄安稀土功能材料创新中心有限公司, GRIREM ADVANCED MATERIALS CO., LTD., 有研稀土新材料股份有限公司, GRIREM HI-TECH CO., LTD., 有研稀土高技术有限公司 FILES APPLICATION FOR "CERIUM OXIDE-BASED POLISHING POWDER, PREPARATION METHOD, POLISHING SOLUTION AND USE"

GENEVA, March 31 -- RARE EARTH FUNCTIONAL MATERIALS (XIONG 'AN) INNOVATION CENTER CO., LTD. (Room C-4, No. 56, Banzheng South Street, Xiguan Village, Rongcheng Town, Rongcheng County,Baoding, Hebei 071700), 雄安稀土功能材料创新中心有限公司 (中国河北省保定市容城县容城镇西关村板正南大街56号C-4室), GRIREM ADVANCED MATERIALS CO., LTD. (No. 2, Xinjiekouwai Street,Haidian District, Beijing 100088), 有研稀土新材料股份有限公司 (中...