Jiangsu Zhendi Testing Technology Co., Ltd. (hereinafter referred to as Zhendi Testing) is a branch of Sweden's VMI Condition Monitoring Company in China. It is primarily engaged in the calibration and maintenance of vibration testing instruments, as well as providing after-sales service and technical support for VMI products in China.

  The VMI Group has over 40 years of research, development, and production experience. Headquartered in Linköping, Sweden, it is a supplier of condition monitoring systems, solutions, and value-added services. Currently, the VMI Group has branches in more than 50 countries, with an extensive service network consisting of over 700 distributors and retailers worldwide.

The company's products and services cover industries such as power, petrochemicals, metallurgy, heavy equipment, locomotives, cement, and water supply. Its clients include: Formosa Plastics Group, Shanghai Electric Blower Co., Ltd., Shandong Huayi Turbine Machinery Co., Ltd., Air Liquide (Dongying) Co., Ltd., Kunshan Nanya Epoxy Resin Company, Taizhou Jintai Environmental Protection Thermal Power Co., Ltd., Zhangjiagang Yingda Gas Co., Ltd., Kunshan Red Goldfish Mechanical Vibration Detection Technology Co., Ltd., Continental Automotive Systems (Changshu) Co., Ltd., and Guangdong Dingfeng Paper Industry Co., Ltd., among others.

The company's product offerings and services include: on-site dynamic balancing instruments, vibration analyzers, vibration meters, spectrum analyzers, shaft laser alignment instruments, oil analysis, dual-channel vibration signal analyzers, remote diagnostic system services, degradation early warning monitoring, contract-based equipment inspection, rotating equipment vibration online monitoring planning, and the establishment and training of factory predictive maintenance systems, among other product services.