·
Q: Is NKBI Bitumen
IS-certified?
A: Yes, all products meet IS-73 and other applicable BIS standards.
·
Q: From where do you source
your bitumen?
A: Directly from IOCL, BPCL, and HPCL refineries.
·
Q: Do you provide test
certificates?
A: Yes, every batch is tested and delivered
with QA/QC documents.