About LANGDI
Wuxi LANGDI Measurement & Control Technology Co., Ltd. has been deeply engaged in power and intelligent-equipment testing for over three decades. Leveraging deep technical accumulation in cutting-edge industries such as new-energy vehicles, we have built a complete technical system covering multi-form load equipment and core measurement & control systems, driving continuous iteration of testing technology through standardization and intelligence.
Company Profile
Wuxi LANGDI Measurement & Control Technology Co., Ltd. has been deeply engaged in power and intelligent-equipment testing for over three decades. Leveraging deep technical accumulation in cutting-edge industries such as new-energy vehicles, we have built a complete technical system covering multi-form load equipment and core measurement & control systems, driving continuous iteration of testing technology through standardization and intelligence.
We focus on highly reliable, precise testing and maintenance solutions for critical power infrastructure. Our product portfolio includes containerized, rack-mounted and wall-mounted configurations, widely applied in demanding scenarios including computing centers, marine power systems, diesel/gas gensets, PV-storage systems, UPS and microgrids — meeting the testing needs of power, transportation and new-energy sectors.
Guided by the mission of "Precision Testing, Driving Innovation", LANGDI keeps expanding technological boundaries, aiming to become the preferred partner in global power-system testing, safeguarding critical infrastructure and enabling the digital economy and green energy industry.

Patents & IP
Vision
The preferred choice for future power testing and verification.
Values
Innovation · Focus · Harmony · Collaboration.
Quality Policy
Quality first · Customer centric · Continuous improvement.
Purpose & Mission
Precision testing, driving innovation.
Development History
Delivered 2 sets of mobile integrated HV/LV 4,000kW genset testing systems to Guangxi Yuchai Marine Power; confirmed the company mission: Precision Testing, Driving Innovation.
Delivered 3 sets of 700kW / 50,000rpm aviation generator test benches.
Delivered the first 25,000 RPM dynamometer test bench; delivered the first 1.6MW regenerative genset testing system to Cummins Power.
3-in-1 NEV powertrain EOL stations entered mass production at many parts factories.
LANGDI and China Automotive Engineering Research Institute jointly established a laboratory; delivered a 72MW single-unit load bank to Yangzijiang Shipyard.
Two-drive three-axis high-speed reducer test system delivered to CAERI, top speed 20,000 RPM.
The Test Center was established with a complete testing system and advanced resources; delivered the first high-voltage RC load bank for data centers to Alibaba Cloud.
Delivered a 5MW high-voltage mobile generator test bench to Leroy-Somer.
Delivered EV motor test benches for many well-known EV OEMs and component enterprises in China.
Successfully developed and manufactured a BSG motor test bench; supplied genset testing equipment to Yuchai Machinery.
Successfully developed and manufactured an EV motor test bench.
Developed a multi-function regulator terminal for alternators.
Successfully developed an on-line automatic test system, greatly reducing manual work and improving automation.
Developed the alternator high/low-temperature efficiency tester and the single-direction pulley tester.
Relocated to a new plant and developed an EV motor test system.
Market share in China exceeded 80%.
Certified to ISO 9000; supplied genset testing equipment to Cummins for the first time.
First alternator temperature/humidity endurance test system commissioned at Bosch Automotive Components (Changsha).
All test-bench design software upgraded to the NI LabVIEW professional testing platform.
Launched an alternator and starter component test instrument.
Developed a computer-controlled alternator and starter tester.
Developed the first manual starter tester.
Developed the first manual alternator tester.
Huasheng (LANGDI's predecessor) was founded.
Honors & Certifications



Global Customers
With international quality standards and reliable testing, LANGDI has built long-term partnerships with leading customers worldwide.

