Enviro-Hub Holdings Ltd., an investment holding company, engages in the trading, recycling, and refining of e-waste/metals in Singapore, Hong Kong, China, Malaysia, the United Arab Emirates, and internationally. It operates through Trading, Recycling and Refining of e-Waste/Metals, Manufacturing and trading of healthcare products, Property Investment and Management, Piling Contract, Construction, Rental and Servicing of Machinery, and Others segments. Its Property Investments and Management segment is involved in the investment in properties. The company's Trading, Recycling and Refining of e-Waste/Metals segment engages in the trading, recycling, and refining of electronic waste and metals comprising the recycling, extraction, and refining of platinum group metals and copper. Its Piling Contracts, Construction, Rental and Servicing of Machinery segment is involved in the provision of piling services, as well as building and construction related engineering and technical services; and rental and sale of cranes and heavy machinery for the construction industry. The company's Manufacturing and Trading of Healthcare Products segment engages in the distribution, marketing, and sale of healthcare products and other related activities. Its Others segment is involved in the conversion of waste plastic to usable liquid hydrocarbon fuel oil. In addition, the company invests in and manages commercial and industrial properties; trades in ferrous and non-ferrous metals; and sells, rents, and services engineering hardware, as well as manufacturing and trading of rubber gloves. Enviro-Hub Holdings Ltd. was formerly known as Leong Hin Holdings Ltd. and changed its name to Enviro-Hub Holdings Ltd. in August 2005. The company was incorporated in 1998 and is based in Singapore.