1974, the enterprise began to specialize in the production of shielded electric pumps.
1985 company imported the production technology and equipment of shielded electric pump from Imperial Motor of Japan, and the product quality standard reached JIS standard of Japan.
1987 The enterprise was renamed Dalian Shielded Electric Pump Factory.
1995 65438+ 10 Dalian Imperial Shielded Electric Pump Co., Ltd. was established in Dalian Shielded Electric Pump Factory.
In 2002, Dalian Shielded Electric Pump Factory terminated the joint venture system with Japan, sold the equity of assets and retained the equity of technology.
In 2002, the enterprise passed the quality system certification of GB/T19001-ISO 9001.
In 2003, the company took the lead in developing a shielded electric pump with the maximum power of 160KW at that time. Shielded electric pumps have been provided for many key projects in China.
In 2004, Dalian Shielded Electric Pump Factory was transformed into Dalian Huanyou Shielded Electric Pump Co., Ltd. ..
In 2005, the company developed the largest power 200kw shielded electric pump and super heat-resistant water-cooled shielded electric pump in China, which provided shielded electric pumps for many key projects in China.
In 2005, the enterprise passed the ISO900 1:2000: 2000 quality system evaluation and renewal.
In 2006, Dalian Huanyou Shielded Pump Co., Ltd. was established as a joint venture with Hong Kong businessmen.
In 2007, the enterprise passed the Dalian Advanced Technology Enterprise Certification.
In 2009, the enterprise introduced six sigma management.
In 2009, the enterprise passed the review and renewal of ISO900 1:2008: 2008 standard.
20 10, the enterprise obtained the national high-tech enterprise certificate.
20 10, the enterprise was awarded the title of Liaoning province's integrity demonstration enterprise.