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효원엔브이
중소기업
2011
철강 구조물 및 각종 기자재 생산 업체
ISO9001
ASME S
ASME U
ASME PP
ABS
DNV
LR
INTAKE AIR FILTER
VESSEL
DUMMY SPOOL STOCK
FLANGE RECYCLING
SHIPPING SADDLE, FLASK, LUG
INDUSTRIAL MACHINES
CARGO PUMP
PIPE COASTING
HEAVY WALL THICKNESS CUTTING & BEVELING
TRANSFORMER & MACHINE CASE
BLOCK SUPPORT, SKID-WAY, BOX-BEAM
STEEL STRUCTURE