A practical IS 3989 compliance guide for manufacturers, covering standards, testing, certification, and common mistakes to ensure durable cast iron manhole covers.
Website: https://www.bicindia.com/ci-pipes-fittings-manufacturers/
Web2.0: https://bloggify.fwh.is/is-3989-compliance-what-smart-manufacturers-know/
- Release Date:December 24, 2025
