Ojan Composite Technology Co. (OCT) is the owner of GRE & GRP pipe technology (include Compipe, Compoil, Compub and Comloc), and the people involved with OCT have more than 25 years of experience in composite eqiument and material. The Company is based at Rockville, MD, USA.

US Composite Industry (USCI) is the owner of GRE & GRP pipe technology (include Compipe, Compoil, Compub and Comloc), and the people involved with OCT have more than 25 years of experience in composite eqiument and material.