85423100 under HS Code ELECTRONIC INTEGRATED CIRCUITS - ELECTRONIC INTEGRATED CIRCUITS -- PROCESSORS AND CONTROLLERS, WHETHER OR NOT COMBINED WITH MEMORIES, CONVERTERS, LOGIC CIRCUITS,AMPLIFIERS, CLOCK AND TIMING CIRCUITS, OR OTHER CIRCUITS, 90132000 under HS Code LIQUID CRYSTAL DEVICES NOT CONSTITUTING ARTICLES PROVIDED FOR MORE SPECIFICALLY IN OTHER HEADINGS; LASERS, OTHER THAN LASER DIODES; OTHER OPTICAL APPLIANCES AND INSTRUMENTS, NOT SPECIFIED OR INCLUDED ELSE WHERE IN THIS CHAPTER LASERS, OTHER THAN LASER DIODES, and 85415000 under HS Code DIODES, TRANSISTORS AND SIMILAR SEMI-CONDUCTOR DEVICES; PHOTOSENSITIVE SEMI-CONDUCTOR DEVICES, INCLUDING PHOTOVOLTAIC CELLS WHETHER OR NOT ASSEMBLED IN MODULES OR MADE UP INTO PANELS; LIGHT EMITTING DIODES; MOUNTED PIEZO-ELECTRIC CRYSTALS OTHER SEMI-CONDUCTORS DEVICES were the top imported HS Codes by DPTECH INTERNATIONAL ENGINEERING COMPANY in 2021.