KOSEN Quality control procedure

Quality always in our mind.

KOSEN Valve totally committed to offering the best performing, highest quality industrial valves with maximum safety and reliability. We have established a comprehensive quality assurance system that will show our company to meet all of the requirements of the ISO 9001:2008 quality assurance standard.


Quality always in our heart.

Perfect details in every processing step support high Quality products. To be customers's top choice for unique and innovative solutions for their specific needs in valves.