1954
October: The Ministry of Construction acquired three private factories in Shanghai—Zhongli and two others—and renamed them the State-Owned Electric Motor Installation Engineering Company Processing Plant, placed under the administration of the East China Engineering General Bureau.
December: Approval was granted by Document No. (54) 340 of the Ministry of Construction, whereby the Second Electromechanical Installation Engineering Company of the Ministry’s Installation Engineering General Bureau acquired five private manufacturers in Shanghai—including Youcheng and Dajiang—and renamed the plant the State-Owned Electromechanical Installation Engineering Company Processing Plant, placed under the leadership of the Second Electromechanical Installation Engineering Company of the Ministry’s Installation Engineering General Bureau.
1955
January: Eleven machine-ironworks—including Zhongxing, Yuxiang, and Jianzhong—and six hardware material stores—including Deshun and Liyuan—were consolidated into a single operation upon approval by Document No. (55) Shixing (Deng) No. 44 issued by the Xi’an Municipal Administration for Industry and Commerce, and named the Zhongxing Metal Machinery Manufacturing Factory, placed under the administration of the Xi’an Municipal Administration for Industry and Commerce.
September: Upon approval by Document No. (55) Shixing (Deng) No. 844 and the Xi’an Municipal People’s Government on September 17, the Zhongxing Metal Machinery Manufacturing Factory became a public-private joint venture, relocating to the long-neglected Weinan Guild Hall on West Street in Xi’an and placed under the leadership of the Xi’an Municipal Bureau of Local Industry.
1956
January: Nine private factories—including Songmao and Changcheng—merged into the factory.
January: The Ministry of Construction acquired five private factories in Shanghai—including Xietai—and renamed the plant the First Processing & Parts Plant of the Ministry’s Installation Engineering General Bureau. In April of the same year, as part of efforts to support large-scale development in Northwest China, the Installation Engineering General Bureau directed the relocation of the Electromechanical Installation Company Processing Plant from Shanghai to Shijie Street, Hansen Village, Xi’an, placing it under the leadership of the East China Installation Engineering General Bureau of the Ministry of Construction.
1957
July: The plant relocated to Hujiamiao and was renamed the First Parts Plant of the Ministry’s Installation Engineering General Bureau. In March 1958, higher authorities designated motor manufacturing as the plant’s primary production focus, and its name was changed to Xi’an Electric Motor Manufacturing Factory, placed under the leadership of the Ministry’s Installation Engineering General Bureau.
1958
March: Higher authorities designated motor manufacturing as the primary production focus for the former public-private joint venture Zhongxing Metal Machinery Manufacturing Factory, renaming it the Public-Private Joint Venture Xi’an Zhongxing Electric Motor Manufacturing Factory, placed under the administration of the Xi’an Municipal Bureau of Local Industry.
October: The Xi’an Electrical Equipment Manufacturing Cooperative Factory (a large collective enterprise) merged into the factory.
1961
March: The Public-Private Joint Venture Xi’an Zhongxing Electric Motor Manufacturing Factory was renamed the Public-Private Joint Venture Shaanxi Province Zhongxing Electric Motor Manufacturing Factory; its site moved from West Street to Hujiamiao in eastern Xi’an, and it came under the leadership of the Shaanxi Provincial Bureau of Mechanical Industry.
1962
August: To implement the industrial “Eight-Character Policy” of “Adjustment, Consolidation, Enrichment, and Improvement,” the Public-Private Joint Venture Shaanxi Province Zhongxing Electric Motor Manufacturing Factory merged with Xi’an Electric Motor Manufacturing Factory, forming the Public-Private Joint Venture Xi’an Zhongxing Electric Motor Factory, placed under the jurisdiction of the Shaanxi Provincial Bureau of Mechanical Industry.
1965
March: At the direction of the former First Ministry of Machine Industry, the entire DC motor workshop—including all personnel and equipment—from Dalian Electric Motor Factory relocated to the factory.
1966
September: Approved by Document No. (66) Yei-Ji Ban No. 537 issued by the Xi’an Municipal Metallurgical & Electromechanical Industry Bureau, the Public-Private Joint Venture Xi’an Zhongxing Electric Motor Factory was renamed the Locally State-Owned Xi’an Zhongxing Electric Motor Factory, placed under the Xi’an Municipal Metallurgical & Electromechanical Industry Bureau. By this time, Xi’an Electric Motor Factory had been formed through the consolidation of 39 private enterprises and one collectively owned cooperative factory. Its management system evolved from decentralized to centralized operations, transitioning from fragmented, independent operations to unified leadership under a three-tiered management structure comprising the plant headquarters, workshops, and production teams. Production scale expanded steadily—from small-scale, rudimentary operations to large-scale, modernized facilities—with continuous enhancement of personnel, equipment, and technical development capabilities year after year. Product lines became increasingly comprehensive, diversified, and standardized, with stable quality and significantly improved production capacity. The factory achieved remarkable accomplishments in both political and economic domains, emerging as one of the “Three Major Electric Motor Manufacturers in Northwest China” under the national planned economy system, and also designated by the First Ministry of Machine Industry as a key supplier of tank motors. It made outstanding contributions to national economic development during both the planned economy and market economy eras. On the same day, the factory was renamed Xi’an Electric Motor Factory, placed under the Xi’an Municipal Metallurgical & Electromechanical Industry Bureau.
1972
May: The Xi’an Municipal Electrical Equipment Testing Center Station merged into Xi’an Electric Motor Factory.
1974
October: Xi’an Electric Motor Factory spun off its transformer workshop to establish Pucheng Transformer Factory.
1996
December: Xi’an Electric Motor Factory absorbed the formerly bankrupt Xi’an Dongfang Electric Motor Factory.
1999
September: Xi’an Electric Motor Factory absorbed the bankrupt Third Branch Factory of Xi’an Electric Motor Factory.
2004
January: Under the guidance and support of the Xi’an Municipal Party Committee and Municipal Government, Xi’an Electric Motor Factory underwent full restructuring from a state-owned enterprise into a limited liability company—Xi’an SIMO Electric Motor (Group) Co., Ltd.—with registered capital of RMB 40 million, becoming a pilot enterprise for successful SOE reform in Xi’an.
2005
May: Xi’an SIMO Enterprise Group was established, comprising 14 subsidiary companies operating across diverse sectors including motor R&D and manufacturing, motor repair, culture, transportation, real estate development, trade, electrical control systems, mold manufacturing, property management, and logistics—forming a modern enterprise group centered on motor production, with diversified operations and robust growth.
2006
May: In accordance with the requirements of the “Xi’an Industrial Revitalization Plan,” the factory relocated entirely from No. 61 Jinhua North Road, Hujiamiao, to Fengcheng 10th Road in the National-level Xi’an Economic & Technological Development Zone—a major leap forward in the company’s history.
2007
December: Xi’an SIMO Electric Motor (Group) Co., Ltd. was restructured into Xi’an SIMO Electric Motor (Group) Co., Ltd. (Joint Stock Company), with registered capital increased from RMB 40 million to RMB 165 million.
2009
November: Xi’an SIMO Electric Motor (Group) Co., Ltd. (Joint Stock Company) completed an equity transfer with Harbin Tefu Electric Co., Ltd., and the company name was changed to Xi’an Tefu SIMO Electric Motor Co., Ltd.
2015
To date, Xi’an SIMO Electric Motor has grown into a large high-tech enterprise employing 6,000 people. It is a major Chinese machinery industry enterprise specializing in the production of large- and medium-sized AC/DC motors covering high-voltage, low-voltage, and medium-voltage ranges, and serves as an integrated power system provider offering end-to-end solutions encompassing motor design and manufacturing, electrical control systems, mechanical processing, mold making, casting, transportation, and complete automated engineering systems.
