NNK Minerals
Quality laboratory

Quality Control

Every batch tested. Every shipment certified. Uncompromising quality at every stage.

Laboratory & Testing

Our in-house laboratory and third-party partnerships ensure every shipment meets international specifications.

XRF

Chemical Analysis Report

Complete oxide analysis for all product grades.

Laboratory

XRF Reports

X-ray fluorescence spectroscopy results.

PSD

Particle Size Report

Laser diffraction particle size distribution.

Lab

Moisture Analysis

Oven-dry moisture content verification.

QC

Quality Certificates

Batch-wise quality assurance certificates.

ISO

ISO Certificates

ISO 9001:2015 quality management certificate.

Third Party

SGS Reports

Independent inspection and testing reports.

Inspection

Third Party Inspection

Pre-shipment inspection by accredited agencies.

Our Quality Promise

Quality is not an afterthought — it is embedded in every stage of our operation. From mine face sampling to pre-shipment inspection, we maintain strict process controls aligned with ISO 9001:2015 standards.

  • XRF chemical analysis for every production batch
  • Laser diffraction particle size distribution testing
  • Moisture content verification before packaging
  • Third-party SGS inspection available on request
  • Batch-wise quality certificates with every shipment
  • Retention samples stored for 12 months
Quality testing

Ready to Source Premium Minerals?

Get in touch with our export team for specifications, samples, and competitive quotations.