Chongqing Youlan Electrical Engineering Co., Ltd. (formerly Chongqing Tianlan Electrical Transmission Co., Ltd., a joint venture established by the Tianlan Institute of Chongqing Aerospace Design Institute under the China Aerospace Industry Corporation) is registered in the Chongqing High-Tech Industry Development Zone. It specializes in the design and production of automatic control systems and drive systems. It is also the only technical enterprise in Chongqing dedicated to the development, production, repair, and service of motor drive products and complete systems. Since the 1990s, Chongqing Youlan Electrical Engineering Co., Ltd. has consistently focused on technological progress, establishing long-term cooperative relationships with Chongqing University and University of Electronic Science and Technology. It has become a core partner for Siemens' CNC machine retrofitting business, and a high-level authorized regional agent and system integrator for UK C.T. Company (CONTROL TECHNIQUES), ABB Company, and Emerson Company from the United States. The company also represents many renowned foreign brands such as Siemens, Omron, Schneider, Danfoss, Anritsu, Mitsubishi, Hitachi, Rexroth, Fuji, Westinghouse, and various types of full digital AC variable frequency drives, DC speed controllers, soft starters, servo controllers, and different types of drive system projects from C.T. and ABB. The company undertakes various industrial automation projects, including automated production lines, specialized robot projects, and provides users with system design, installation, commissioning, and large equipment renovation services. Since its establishment, the company has always relied on its strong technical strength and excellent commercial reputation to win widespread praise from users across the country. Its products are distributed throughout all provinces, municipalities, and autonomous regions in China, including well-known domestic enterprises such as Chongqing Changhong, Yunnan Hongta, Chongqing Changan, Chongqing Jialing, and Chongqing Gearbox Factory, and are also exported to Eastern Europe, South America, and Southeast Asia, involving numerous industries such as machine tools, plastics, cables, metallurgy, automobiles, packaging, printing, papermaking, textiles, etc.