Silk Holdings Berhad, through its subsidiary, Sistem Lingkaran-Lebuhraya Kajang Sdn. Bhd. engages in the design, construction, operation, and maintenance of the Kajang Traffic Dispersal Ring Road in Malaysia.The Group, comprising the Company and its subsidiaries, has principally involved in offshore marine support services and tolled highway concessionaire. The company was formerly known as Sunway Infrastructure Berhad and changed its name to Silk Holdings Berhad in October 2008. Silk Holdings Berhad is based in Kuala Lumpur, Malaysia.