Advanced Holdings Ltd., an investment holding company, designs, manufactures, and supplies various products and solutions for the oil and gas, petrochemicals, and chemicals industries in the People's Republic of China, Singapore, Vietnam, other Asian countries, Europe, the Middle East, the United States, and internationally. The company operates through two segments, Engineering Service and Manufacturing, and Environmental Technologies. Its systems and products include ball valves, boiling point analyzers, catalyst metering packages, chemical dosing systems, photometers, gas odorisation systems, gas analyzers, sensors, near infrared online process analyzers, process analyzer systems, sampling conditioning systems, process cloud point analyzers, specialty valves, thermosets, viscometers, and total sulfur analyzers. The company also provides biofuels process technologies and plant equipment; and fiber-optic based spectrophotometers for chemical analysis in the chemical process industry. In addition, it engages in engineering, construction, startup, and commissioning activities, as well as maintenance and operation of biodiesel plants; marketing and sale of guided wave products; portable, waste water, and industrial waste treatment; and design and supply of clean energy solutions, as well as technologies and products to reduce greenhouse gas emissions. Advanced Holdings Ltd. was founded in 1993 and is headquartered in Singapore.