OD 3000mm above big size pipe fittings and flanges supply and assembly

Hebei Haihao Group is committed to the production and manufacture of pipeline equipment.We have participated in the big size/large diameter 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 3000mm 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

Hebei Haihao Group has a strong production capacity of pipe fitting and  flanges,regular standard products and unconventional according to the drawings of products,if you need to contact us,Email:sales@haihaogroup.com.