It is in accordance with GB/T 19001-2000 & ISO 9001:2000Material: imported from Korea hysungFeatures:1.Light weight ,conveniently to be transported and handled.2.High pressure resistance: PN1.25 ~ PN3.23.Hige temprature resistance: -40°C ~ +90°C4.Corrosion resistance. .5.Good Sound insulation.6.Good heat preservation.7.Hygienic, harmless and potable water installations.8. Recyclable,environment friendly.9. Healthy and non-toxic, bacterial neutral, conforming to drinking water standards.10. Low construction expense due to easy and reliable installation.11. Suitable for both exposed and hidden installation.12. Long serviceable life of at least 50 years under the normal conditions after testing
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