회사소개
인증 & 특허
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Certificates & Patents
인증
(상수도용 도복장 강관)
(상수도용 도복장 강관 이형관)
(Coated steel pipes
for waterworks)
(Fittings of coated steel
pipes for waterworks)
(Polyethylene coated steel
pipes by powder fusion)
Certificates & Patents
특허
(강관 연결용 소켓)
(에폭시 수지도료 및 코팅방법)
(3층PE및에폭시코팅방법)
(강관확관부의 용접제어방법)
(Eco cera poxy
gold epoxy paint)
(Valve chamber with height
and slope adjustment
and condensation prevention)
(Manhole device for valve
chamber with adjustment
height and slope)