Shenzhen Zhongtu Instrument Co., Ltd. was established in 2005, dedicated to the research and development, production, and sales of full-size chain precision measuring instruments and equipment.

Zhongtu Instrument adheres to technological innovation as its development foundation, and has a technical team that integrates optics, mechanics, electronics, and information technology. After 20 years of technical accumulation and development practice, it has developed basic measuring instruments, conventional size optical measuring instruments, micro size optical measuring instruments, large-size optical measuring instruments, conventional size contact measuring instruments, micro size contact measuring instruments, industry application detection equipment, and other full-size chain precision instruments and equipment. It can provide customers with precision measurement solutions from nanometers to hundreds of meters.