Certificates | Gwangsung ENG

ABOUT

Certificates & Patents

GWANGSUNG’s

CERTIFICATES

Conformity Authentication (Mixed Epoxy Resin-coated Steel Pipe for Waterworks

Conformity Authentication (Mixed Epoxy Resin-coated Steel Fittings for Waterworks

ISO 14001

ISO 9001

Korea Certification (Coated Steel Pipes for Waterworks)

Korea Certification (Fittings of Coated Steel Pipes for Waterworks)

KS D 3565
(Coated steel pipes
for waterworks)

KS D 3578
(Fittings of coated steel
pipes for waterworks)

KS D 3607
(Polyethylene coated steel
pipes by powder fusion)

GWANGSUNG’s

PATENTS

Patent (Socket for Steel Pipe Connections)

Patent (Epoxy Resin and Coating Method for Steel Pipes)

Patent (PE 3-Layer and Epoxy Coating System)

Patent (Weld Control Method for Expanded Steel Pipes)

Patent (Eco cera poxy gold epoxy paint)

Patent (Valve chamber with height and slope adjustment and condensation prevention)

Patent (Manhole device for valve chamber with adjustment height and slope)

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GWANGSUNG ENG

345, Geumyul-ro, Samseong-myeon, Eumseong-gun, Chungcheongbuk-do, 27648, Rep. of KOREA