Crystal wafer etching treatment; Integrated circuit etching treatment; Semiconductor sealing processing; Wafer Foundry, namely, manufacturing of semiconductor wafers for others; custom manufacturing of semiconductors; 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; Manufacturing and assembling semiconductors and integrated circuits according to customer specifications; Manufacturing silicon wafers and integrated circuits according to customer instructions; Assembly service of silicon wafer and integrated circuit; Polishing services for silicon wafers and semiconductors; Assembling integrated circuits, photomasks and electronic or computer chips for others; Foundry services of semiconductors and integrated circuits, namely, manufacturing 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; Etching processing; Cutting or forming of integrated circuit; Custom manufacturing and processing of integrated circuits