What is HSN Code 90104100?
HSN code 90104100 is the Harmonized System of Nomenclature classification for Direct Write-On-Wafer Apparatus under India's Goods and Services Tax (GST). It is a 8-digit code sitting at the tariff item (8-digit) level of the HSN hierarchy.
This code belongs to Chapter 90 — Optical, Photographic, Cinematographic, Measuring, Checking, Precision, which is part of Section XVIII: Optical, Medical & Precision Instruments. Every GST-registered business supplying direct write-on-wafer apparatus must quote HSN 90104100 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.