ABOUT US

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

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.

LANGDI factory
PATENTS & IP

Patents & IP

20
Invention patents
31
Utility model patents
27
Software copyrights

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

Development History

2025

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.

2024

Delivered 3 sets of 700kW / 50,000rpm aviation generator test benches.

2023

Delivered the first 25,000 RPM dynamometer test bench; delivered the first 1.6MW regenerative genset testing system to Cummins Power.

2022

3-in-1 NEV powertrain EOL stations entered mass production at many parts factories.

2021

LANGDI and China Automotive Engineering Research Institute jointly established a laboratory; delivered a 72MW single-unit load bank to Yangzijiang Shipyard.

2020

Two-drive three-axis high-speed reducer test system delivered to CAERI, top speed 20,000 RPM.

2019

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.

2018

Delivered a 5MW high-voltage mobile generator test bench to Leroy-Somer.

2016

Delivered EV motor test benches for many well-known EV OEMs and component enterprises in China.

2015

Successfully developed and manufactured a BSG motor test bench; supplied genset testing equipment to Yuchai Machinery.

2014

Successfully developed and manufactured an EV motor test bench.

2013

Developed a multi-function regulator terminal for alternators.

2012

Successfully developed an on-line automatic test system, greatly reducing manual work and improving automation.

2011

Developed the alternator high/low-temperature efficiency tester and the single-direction pulley tester.

2010

Relocated to a new plant and developed an EV motor test system.

2009

Market share in China exceeded 80%.

2008

Certified to ISO 9000; supplied genset testing equipment to Cummins for the first time.

2007

First alternator temperature/humidity endurance test system commissioned at Bosch Automotive Components (Changsha).

2006

All test-bench design software upgraded to the NI LabVIEW professional testing platform.

2000

Launched an alternator and starter component test instrument.

1996

Developed a computer-controlled alternator and starter tester.

1993

Developed the first manual starter tester.

1992

Developed the first manual alternator tester.

1990

Huasheng (LANGDI's predecessor) was founded.

QUALIFICATIONS

Honors & Certifications

CMA
CMA
CNAS
CNAS
ISO 9001
ISO 9001
GLOBAL CUSTOMERS

Global Customers

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

Global customers