Crystal wafer etching treatment services; Integrated circuit etching treatment services; Semiconductor sealing processing; Wafer fabrication services for others; Custom manufacture of semiconductors for others; Manufacture and assembly of automotive semiconductors according to customer's specifications and instructions; Manufacturing and assembling services for automotive wafers according to customer's specifications and instructions; Services of manufacturing and assembling semiconductors and integrated circuits according to customer specifications; Manufacturing silicon wafers and integrated circuits according to customer instructions; Polishing services for silicon wafers and semiconductors; Fabrication services of semiconductors and integrated circuits for others; Semiconductor and integrated circuit packaging processing; Foundry semiconductor chip cutting and packaging processing services; Wafer etching and dicing processing services; Etching processing services; Cutting or forming of integrated circuits; Manufacturing and processing of integrated circuits for others