मुख्य तथ्य
Class 2391 at a Glance
Code 2391
Official title Manufacture of refractory products
Version NIC 2025
Source authority MoSPI
Section C - Manufacturing
NIC Class 2391 Manufacture of refractory products को कवर करता है. Udyam, MCA या MSME workflow में सही six-digit Sub-class चुनने के लिए यह मुख्य comparison layer है. इसके नीचे 4 Sub-class entries उपलब्ध हैं.
This calss includes manufacture of refractory products wich have high temperature withstanding capacity and are composed of materials like fireclay, alumina, and silica and are different from common ceramic and clay products. This class excludes: - manufacture of non-refractory bricks and other clay and ceramic building materials, see 2392