DOPPLER.DOPPLER was established on November 17, 2004, with its registered office in Chengdu, Sichuan Province. As one of the earliest joint-venture elevator manufacturing enterprises founded in Western China, the company has grown steadily over nearly two decades. Today, it stands as a comprehensive lifecycle solutions provider in Western China, specializing in the research, development, manufacturing, installation, and maintenance of elevators. Its product portfolio encompasses passenger elevators, freight elevators, scenic elevators, medical elevators, home elevators, escalators, and moving walkways. Thousands of projects across more than 30 provinces and municipalities nationwide feature approximately 100,000 elevators operating safely and efficiently, earning widespread customer trust and acclaim. The company has also successfully expanded into overseas markets including Russia, the Middle East, Malaysia, and Indonesia. Key products include: passenger elevators, freight elevators, villa elevators, original imported elevators, retrofit elevators for existing buildings, escalators, and moving walkways.