Wholetech System Hitech Limited provides system integration services in Taiwan, China, Japan, and Singapore. It operates through Construction and Equipment segments. The company offers semiconductors, pipelines, chemical equipment, chemical supply, chemical polishing liquid, gas exhaust, waste, gas treatment, and automatic control equipment, as well as trades and sells equipment products and mechanical parts. It also provides engineering plastics, instruments, hot and cold air exchange, tower tanks, workbenches, drug tanks, chemical fume hood products, as well as project contracting services; and design, installation, engineering contracting, sales, and maintenance services for laminar flow benches. In addition, it is involved in construction of water, gas pipelines and sewage systems, gas production, and primary distribution of fuel gas system; and trading business of electronics, machinery, chemical, equipment, pipe, fittings, hardware, materials, etc., as well as offers mechanical, electrical, circuit and pipeline, and engineering services. Further, the company provides gas supply systems, and monitoring systems. The company was formerly known as Wholetech Engineering Co., Ltd. and changed its name to Wholetech System Hitech Limited in 2001. Wholetech System Hitech Limited was incorporated in 1990 and is headquartered in Hsinchu City, Taiwan.