DOPPLER.DOPPLER was established on November 17, 2004, with its registered office in Chengdu, Sichuan Province. It stands as one of the earliest joint-venture elevator manufacturing enterprises founded in Western China. After nearly two decades of steady growth, the company has evolved into a comprehensive lifecycle solutions provider in Western China, specializing in elevator R&D, manufacturing, installation, and maintenance. Its product portfolio encompasses a full range of elevator and escalator solutions, including passenger elevators, freight elevators, scenic elevators, medical elevators, home elevators, escalators, and moving walkways. With thousands of projects across more than 30 provinces and municipalities nationwide, the company operates approximately 100,000 elevators safely and efficiently, earning widespread customer trust and acclaim. It has also successfully expanded into overseas markets including Russia, the Middle East, Malaysia, and Indonesia. Its primary products include passenger elevators, freight elevators, villa elevators, imported elevators, retrofit elevators for existing buildings, escalators, and moving walkways.