Your reliable partner in measurement technology since 1994.

Founded in 1994, Tonghui is a 31-year-old high-tech enterprise specializing in R&D, manufacturing, and global marketing of electronic measurement instruments. Headquartered in Changzhou China, the company occupies 38,000 m² with a 30,000 m² facility and employs 300+ professionals, 75%+ with college degrees and 25%+ dedicated R&D staff. 

Guided by a "Technology First" philosophy, Tonghui has established an engineering research center to be the trusted global brand. Its product portfolio includes electronic component testers, winding & cable harness instruments, electrical safety tools, and data acquisition systems—all backed by a mature quality control system to meet international standards.