Dalian electric porcelain Group Co., Ltd., founded in 1915, is a high-tech enterprise specializing in the R & D, production and sales of insulator products. The company has three subsidiaries, namely Dalian electric porcelain group power transmission and transformation materials Co., Ltd., Zhejiang Dachen Information Technology Co., Ltd. and Ruihang (Ningbo) Investment Management Co., Ltd. The company was listed on the small and medium-sized board of Shenzhen Stock Exchange in August 2011.
The company's main products include: 40 ~ 840kn AC and DC suspension porcelain insulators, 10 ~ 1000kV AC composite insulators, ± 500 ~ ± 1100kV DC composite insulators, post insulators / high-voltage porcelain sleeves for 10kV ~ 1000kV power stations and various electric porcelain fittings. The company has complete process equipment, advanced testing means, strict implementation of International Electrotechnical Commission (IEC) standards and Chinese, American, British and other standards, and perfect quality assurance system.
The company attaches importance to technological innovation. Over the years, with high-quality products and excellent quality, the company has successively won the "national quality gold award product", "National Science and Technology Progress Award", "China machinery industry science and Technology Award", "single champion of manufacturing industry of the Ministry of industry and information technology", "Liaoning gazelle enterprise" "Laboratory accreditation certificate of China National Accreditation Commission for conformity assessment (CNAs)" and many other honors.
Relying on its leading technical advantages and excellent management ability, the company has undertaken the supply tasks of a number of national key power transmission and transformation projects. So far, it has provided more than 8 million high-grade porcelain insulators for more than 20 UHV transmission projects such as "1000kV UHV AC transmission project", "800kV DC transmission project", "660kV DC transmission project" and "Three Gorges Project".
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