NPK Quality

Quality control


QA (Quality Assurance)


· Licensing work

· Legal review

· Certification Management (GMP, HACCP, 

  FSSC 22000 ISO, Halal, Traceability)

· Consumer complaint management

· Internal quality assurance and audits

· Ministry of Food and Drug Safety and 

  customer company audit management

· Audit of partner companies

· Standard specification management (raw 

  materials, materials products)

· Product annual trend analysis



QC (Quality Control)


· Securing production-related quality

· Strict quality test

 - Raw material test(raw materials, materials)

 - Semi-finished products test

 - Finished product testing

 - Stability test

 - Regular inspection after shipment

 - Hazardous Substance Analysis







Quality Control

Triple management system


Quality assurance through a thorough triple management system

We scientifically analyze all processes from purchasing high-quality raw materials to production and delivery to consumers.
01. Raw material inspection


02. Inspection of 
semi-finished products
03. Inspection of 
finished products

Quality Control

In-house Analysis Quality Management System


NPK has established a thorough quality prevention system in advance.

We have a high-level quality system that allows quality inspection, which takes 15 days, to be completed in 5 days by an accredited
certification body through our own analysis equipment and professional personnel with the latest technology applied.

01. Systematic management 
and education system
  • Annual trend analysis of products
  • Process improvement
  • Food record traceability
  • OJT training
02. HPLC, GC, ICP
  • product Standard inspectionProcess inspection
  • Stability check
  • Workplace environmental Inspection
  • Manufacturing Process Deviation Inspection
  • HPLC 4ea, GC, ICP


03. Raw material inspection
  • Raw material inspectionPre-Receipt Inspection
  • Raw Material Stability Inspection
  • Material test
  • Hazardous Substance Analysis
  • Specifications and Microbiological testing


NPK Inc.

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Head office, 1 Factory : 61, Eco-gil, Damyang-eup, Damyang-gun, Jeollanam-do

2 Factory : 27-28, Eco-gil, Damyang-eup, Damyang-gun, Jeollanam-do
Tel : +82 61-383-8653 (main) / +82 61-383-8650 (lab)

Fax : +82 61-383-8654 (main) / +82 61-383-8651 (lab)
Email : naturepurekorea@naver.com

Biz License : 409-86-12459 

Consulting Business : 1~2F, 24, Mabang-ro 4 gil, Seocho-gu, Seoul, 06778, Korea
Tel : +82 2-570-6001 (main)  |   Fax : +82 2-2058-1678

(raw material)Sales Inquiry : +82 2-570-6022


Head office, 1 Factory : 61, Eco-gil, Damyang-eup, Damyang-gun, Jeollanam-do

2 Factory : 27-28, Eco-gil, Damyang-eup, Damyang-gun, Jeollanam-do
Tel : +82 61-383-8653 (main) / +82 61-383-8650 (lab)

Fax : +82 61-383-8654 (main) / +82 61-383-8651 (lab)
Email : naturepurekorea@naver.com

Biz License : 409-86-12459

Consulting Business : 1~2F, 24, Mabang-ro 4 gil, Seocho-gu, Seoul, 06778, Korea
Tel : +82 2-570-6001 (main)  |   Fax : +82 2-2058-1678

(raw material)Sales Inquiry : +82 2-570-6022