Qidong Liantong Dynamometer Co., Ltd. is a high-tech manufacturer, service company, and distributor based in Nantong, China, specializing in advanced testing equipment for the automotive and power machinery industries. Established in 2002, the company operates with 101-200 employees and holds ISO 9001 certification. They are recognized as a domestic leader in AC power test technology and are the sole legal entity in China possessing AVL German technology, contributing to national dynamometer standards. Their product portfolio includes hydraulic dynamometers, AC power dynamometers, and a comprehensive range of test benches for conventional internal combustion engines and new energy vehicles, such as motor test benches, engine electric dynamometer test benches, new energy vehicle test benches, hybrid assembly test benches, and gearbox test benches. They also provide motor NVH test benches, motor MCU offline stands, 4WD assembly stands, EOL offline testing benches, Motor EMC testing benches, engine test assistant systems, intelligent fast-fit systems, industrial test benches, and power and torque measuring equipment. Qidong Liantong Dynamometer Co., Ltd. offers OEM services and has a dedicated R&D center, holding numerous national patents and software copyrights. In 2014, the company successfully joined with Nantong Changce Mechanical & Electrical Equipment Co., Ltd., further enhancing their capabilities in technology development and manufacturing integration. They operate a factory in Sutong Park, which includes a technology research and development center and a testing service verification center with 30 standard laboratories. The company designs and implements container-type test cells for engine durability and emission testing and provides test services for hybrid vehicles, road simulation, and fix-axis transmission. Their extensive customer base includes major automotive manufacturers like SAIC, GAC, NIO, Huawei, and Geely.