OD 3000mm above Big size pipe fittings and flange
Hebei hahao group is committed to the production and manufacture of pipeline equipment. We have participated in the big size product supply and assembly of many large projects abroad.
We doing and cooperation so much project Such as sewage treatment engineering, power plant construction engineering, sea water purification engineering, petroleum and natural gas pipeline engineering
OD 3000 mm flange with sleeve to be assemble to the adapter
OD 5000 mm big size cap welding with flange
OD 5800 mm big size cap welded flange
OD 3500mm Steel slip on flange / rolling forged flange .