Complex sentence: After three years of diligent research and study, the company was established in 1978 as Century Canning Corporation (CCC) as a pioneering tuna canning facility focusing mainly on processing and exporting the abundant supply of tuna in Philippine waters.
Split into simpler sentences: After three years of diligent research and study, Century Canning Corporation (CCC) was established in 1978. It was a pioneer tuna canning facility focusing mainly on processing and exporting the abundant supply of tuna in Philippine waters.