Wholetech System Hitech Limited provides system integration services in Taiwan, China, Japan, and Singapore. It operates through Construction and Equipment segments, offering semiconductor, pipeline, chemical equipment, chemical supply, chemical polishing liquid, gas exhaust, waste, gas treatment, and automatic control equipment, as well as trading equipment products and mechanical parts. The company also provides engineering plastics, instruments, hot and cold air exchange, tower tanks, workbenches, drug tanks, chemical fume hood products, project contracting services, and design, installation, engineering contracting, sales, and maintenance for laminar flow benches. Additionally, it constructs water, gas pipelines and sewage systems, produces gas, distributes fuel gas systems, trades electronics, machinery, chemicals, equipment, pipes, fittings, hardware, and materials, and offers mechanical, electrical, circuit, pipeline, and engineering services, gas supply systems, and monitoring systems. Formerly Wholetech Engineering Co., Ltd., it changed its name to Wholetech System Hitech Limited in 2001, was incorporated in 1990, and is headquartered in Hsinchu City, Taiwan.