The government has issued mandatory quality norms for copper products, drums and tin containers to curb the import of sub-standard goods and boost domestic manufacturing of these goods, an official statement said on Monday. Two separate notifications - Drums and Tins (Quality Control) Order, 2023; and Copper Products (Quality Control) Order, 2023 - in this regard were issued by the Department for Promotion of Industry and Internal Trade (DPIIT) on October 20. Items under these two orders cannot be produced, sold, traded, imported and stocked unless they bear the Bureau of Indian Standards (BIS) mark. These orders will come into force with effect from six months from the date of publication of this notification, the DPIIT said. Copper and its alloys are used in power generation, power transmission, telecommunications, electrical circuits, and several appliances. So, copper products need to be of the best quality, and the purity must not be compromised at any cost. The nine copper .