Shenzhen Zhongheng Testing Technology Co., Ltd. (referred to as "Zhongheng Testing") is a professional third-party measurement organization accredited by the China National Accreditation Service for Conformity Assessment (CNAS), with the accreditation number CNAS L7054. Engaged in measurement calibration, instrument maintenance, technical training and laboratory accreditation consulting services.

Zhongheng Testing was awarded the Shenzhen High-tech Enterprise in 2015 and the National High-tech Enterprise in 2016, and is a director unit of the Shenzhen Metrology Society. There are more than 300 employees, of which more than 80% have a college degree. The laboratory already has a number of professional fields of measurement such as length, mechanics, thermal engineering, electromagnetism, radio, time frequency, ionizing radiation, chemistry, optics, acoustics, and electricity. Now has more than 2,000 sets of precision measurement standard instruments.

With its fairness, impartiality, independence, professionalism and extensive service network, Zhongheng Testing provides high-level and high-quality measurement testing services to customers, and is committed to improving the competitive advantage of enterprises and meeting their higher requirements for quality.