INTERNATIONAL PATENT: SHINGHWA AMPEREX TECHNOLOGY (DONGYING) CO., LTD., 胜华新能源科技（东营）有限公司, SHIDA SHINGHWA ADVANCED MATERIAL GROUP CO., LTD., 石大胜华新材料集团股份有限公司 FILES APPLICATION FOR "SYNTHESIS METHOD FOR PHOSPHORUS PENTAFLUORIDE AND SYNTHESIS DEVICE THEREFOR"

GENEVA, May 4 -- SHINGHWA AMPEREX TECHNOLOGY (DONGYING) CO., LTD. (No.198, Tongxing Road, Kenli DistrictDongying, Shandong 257503), 胜华新能源科技（东营）有限公司 (中国山东省东营市垦利区同兴路198号), SHIDA SHINGHWA ADVANCED MATERIAL GROUP CO., LTD. (No.198, Tongxing Road, Kenli DistrictDongying, Shandong 257503), 石大胜华新材料集团股份有限公司 (中国山东省东营市垦利区同兴路198号) filed a ...