Khai Weng Yong

Oiltek (S) Pte Ltd. engages in the provision of engineering services. It specializes in the design, supply and commissioning edible processing plants. The company is headquartered in Singapore.

Part of Koh Brothers Group Ltd., WSB Pte Ltd. is a design and consulting firm based in Singapore, Singapore. The Singaporean company provides design, environmental consulting, and other specialty infrastructure services for the maintenance, rehabilitation, and development of critical infrastructure across the country. With over 700 highly skilled employees working from 17 offices, WSB offers complementary services across a wide range of disciplines that seamlessly integrate planning, design, implementation, and asset management. The company specializes in engineering, community planning, environmental, and construction services, and offers services in over 30 complementary areas that improve the way people engage with communities, transportation, infrastructure, energy, and the environment.

Part of Koh Brothers Group Ltd., Bioearth Pte Ltd. is an investment holding Singaporean company. The company is based in Singapore, Singapore.

Oiltek Sdn. Bhd. constructs palm oil refining facilities. Its products include physical refining, dry fractionation, neutralization, POME biogas methane recovery, and WITTE gear pump. The company was founded in 1980 and is headquartered in Shah Alam, Malaysia.