Bühler Leybold Opticsis a wholly owned subsidiary of BühlerLeyboldOptics inBeijing andis currently one of the two global manufacturing bases for highvacuum coating equipment of the Bühler Group.The business of BühlerLeyboldOptics covers two major business fields: opticsand large area coating, contributing to the development of the precision optics, optics, automotive, semiconductor, flexible electronics and architectural glass industries in China.