Keen Ocean International Holding Ltd is engaged in the design, development, production and sale of transformers, switching mode power supplies, healthcare products and other electronic parts and components. The group sells its products domestically as well as overseas. Its customers are mainly manufacturers and trading entities. Most of the transformers and power supply products were manufactured and sold under the group's branch name Keen Ocean while all electronic parts and components as well as electric healthcare products were sold on an original equipment manufacturer (OEM) basis. Its segments include Sales of transformers, Sales of switching mode power supply, Sales of electronic parts and components, and Sales of electric healthcare products.