frec'n'sys SAS

 , FR Manufacturer
Piezoelectric on Insulator (POI) wafers, SAW and BAW devices based on POI films

Soitec

 , FR Manufacturer
SOI wafers and engineered substrates

Jinan Jingzheng Electronics Co., Ltd (NanoLN)

 Jinan , CN Manufacturer
LN and LT thin films on various substrates, customized LN and LT thin films