85177021 under HS Code Others, 85359090 under HS Code FUSES, LIGHTNING ARRESTERS, VOLTAGE LIMITERS, SURGE SUPPRESSORS, PLUGS, JUNCTION BOXES), FOR A VOLTAGE EXCEEDING 1,000 VOLTS - OTHER : OTHER, and 85442021 under HS Code Others were the top imported HS Codes by D TEST COMPUTER TELECOMMUNICATION COMPANY LIMITED in 2021.