EC Excel Holdings Berhad (previously known as K Seng Seng Corporation Berhad) was incorporated in Malaysia under the Companies Act on 15 January 1985 as a private limited company under the name of Vinylon Industries Sdn Bhd. On 20 June 1985, the company changed its name to K. Seng Seng Sdn Bhd, and on 16 June 1999, it changed its name to K. Seng Seng Corporation Sdn Bhd. The company was subsequently converted into a public company on 15 July 2009.