Shanghai 6-inch crystal _ _ foundry _ which are

Taiwan TSMC, Samsung, UMC, Grofound, SMIC, Power Semiconductor, Hi-Tech Semiconductor, World Advanced (VIS), Hua Hong Semiconductor (HHGrace), Shanghai Huali (HLMC).

And has gained effective control of Silex.

,After gaining control of Silex, SMiT built a MEMS wafer foundry in Beijing to expand the company's production capacity.