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- Standards
- Depending on type and pressure class, HWASUNG ball valve are designed in comformity with Korean Standard standards e.g.KS 2308. Verifications are continuously carried out by using test program, which were developed by KS.
- QA/QC
- Design and production is carried out in accordance with the HWASUNG QA manual/QC system which is subject to continual supervision. Our quality assurance is conforming to ISO9001.