Siang Chai Lim

YFG Bhd. operates as an investment holding company, which engages in the provision of electrical & mechanical engineering services. It offers heating, ventilation, and air conditioning services; fire protection; water plumbing and sewerage system; power substations; transmission lines; cable network and distribution; water engineering; renewable energy power plants; and facility management. The company was founded in 1999 and is headquartered in Petaling Jaya, Malaysia.

INS Bioscience Bhd. operates as a bioscience technology company that engages in the consultancy in biotechnology and investment holding. It also engages in the research and development, cultivation, processing, and production of biotechnology herbs, marketing, distribution, and e-business of healthcare and other products, and customer service and logistic activities. The company was founded by Sew Yeat in July 2003 and is headquartered in Puchong, Malaysia.