BIS Certification for Caustic Soda in India – ISI Mark Approval Process (IS 252:2013)
Introduction
Caustic Soda, also known as Sodium Hydroxide (NaOH), is one of the most important industrial chemicals used across multiple industries such...
BIS Certification for Deep Freezers in India – Complete ISI Mark Process (IS 7872:2020)
Introduction
Deep freezers are essential refrigeration appliances widely used in homes, supermarkets, restaurants, pharmaceutical companies, cold stor...

