UmbersollJapan Co.,Ltd.



O’Brien corporation is Tubing Bundle leading company world wide.
O’Brien products lines have been offered to any Users especially caused by confidence of their Temperature simulation system engineering developed based on over 45 years experiences.
O’Brien select Models just fit to process condition Customer requested and deliver to Petrochemical/Refinery/Power Generation/and any Plants.
O’Brien also produces Instrument enclosures/Electro polish Tube and other unique products.

Tube Bundles