石英制品，緣于樂(lè)華
Quartz products, due to Lehua
致力于成為一流石英制品生產(chǎn)商
Committed to becoming a leading producer of quartz.
精益求精制造產(chǎn)品 設(shè)身處地服務(wù)用戶(hù)
Be reliable. Be sincere.
石英：致力于產(chǎn)品高端提升積極開(kāi)展國(guó)外市場(chǎng)
