COMPANY CEO's Message Sustainability Management CI Overview History Affiliates Location Report Online BUSINESS Sales Portfolio Product Line-up QD9 Natural Quartz Silicon Ceramic COMPETENCIES R&D Center Material Development Technology High Volume Material Manufacturing & Proven Production Technology Certification IR Stock Price Financial Info Disclosure Information IR BOOK Research Report PR News & PR Promotional Video Notice CAREERS Personnel System Recruitment Process Recruitment Announcement
COMPANY CEO's Message Sustainability Management CI Overview History Affiliates Location Report Online BUSINESS Sales Portfolio Product Line-up QD9 Natural Quartz Silicon Ceramic COMPETENCIES R&D Center Material Development Technology High Volume Material Manufacturing & Proven Production Technology Certification IR Stock Price Financial Info Disclosure Information IR BOOK Research Report PR News & PR Promotional Video Notice CAREERS Personnel System Recruitment Process Recruitment Announcement