Manufacturer

Jiangsu Tiannan Electric Power Co., Ltd.

Address: No. 9 Xingyuan Avenue, Rugao City, Nantong City, Jiangsu Province

Company website: http://www.jstndl.com/

Company Overview

Jiangsu Tiannan Electric Power Co., Ltd. is located in Rugao, a famous cultural city in Jiangsu, the capital of Chinese flowers, trees and bonsai, and the world's longevity and health paradise. The company is a high-tech enterprise, an advanced enterprise in municipal quality management, and a contract-abiding and trustworthy unit. It has passed quality, environment, occupational health and safety system certifications. The company was founded in 1999 and currently has hundreds of employees and an annual production capacity of over 100 million yuan. The company has strong production technology, advanced testing methods and production equipment, and a modern testing center approved by CNAS. It has mechanical, physical and chemical, power frequency withstand voltage and partial discharge laboratories, strictly implements national standards and equivalently adopts international standards. Hardware and other supporting products have been tested and qualified by China Electric Power Research Institute, Wuhan High Voltage Research Institute, and Power Hardware Equipment Testing Center. The company attaches great importance to the establishment of marketing network and after-sales service system. It has participated in the centralized bidding of the three major power grids, namely the State Grid, the Southern Grid and the Inner Mongolia Grid, and established a marketing system with provincial capitals and major industrial cities as the center, prefecture-level cities as the focus, and county-level cities as the radiation points. At present, the company has provided a large number of power fittings and cable accessories for the transformation of the two national grids, and strived to support the construction of the State Grid. The ±1000kV UHV DC power line fittings developed by the company have passed the expert appraisal of the China Electricity Council, realizing the historic leap of fitting products to the world's high-voltage level engineering. At present, the company has one national key new product, one free research and development project supported by the Ministry of Science and Technology, one major scientific and technological achievement transformation project in Jiangsu Province, thirteen achievement appraisals, fourteen high-tech products in Jiangsu Province, one Jiangsu Provincial Science and Technology Award, and four Nantong Science and Technology Progress Awards. At present, it has established long-term industry-university-research cooperation with many scientific research institutes and established good relations. The company takes science and technology as its driving force, survives on quality, and develops on integrity. Adhering to the purpose of "everything serves the national power industry", the company strictly implements national and industry standards, maintains a good quality management system, continuously introduces new technologies and equipment, improves product quality, improves the service system, meets customer needs, and makes new contributions to the brilliant future of the national power industry.

Jiangsu Shuanghui Electric Power Development Co., Ltd.

Address: No. 18, Tianshan West Road, Jiangdu District, Yangzhou City, Jiangsu Province

Company website: http://www.jsshdl.com/

Company Overview

Jiangsu Shuanghui Electric Power Development Co., Ltd. (hereinafter referred to as "our company") is located in Jiangdu District, Yangzhou City, Jiangsu Province. It is a national high-tech enterprise focusing on the research and development and production of power products and electrical equipment such as UHV and EHV power fittings and composite insulators, high and low voltage complete sets of electrical equipment. Our company was established in 1995 and officially changed its name to Jiangsu Shuanghui Electric Power Development Co., Ltd. on November 7, 2008. It has been deeply involved in the power industry for nearly 30 years. It is one of the important suppliers of the transmission, transformation and distribution system construction of the State Grid and the Southern Power Grid. The power fittings and composite insulator technology are at the advanced level in China, and the subdivided fields are ranked at the forefront of the country. Shuanghui's fittings have participated in the construction of every UHV transmission line in China. At present, the company covers an area of 130,000 square meters and has more than 700 employees. The company has strong talent resources, complete production equipment, advanced testing methods, and many advanced production and testing equipment. Our company is centered on its parent company Jiangsu Shuanghui Electric Power Development Co., Ltd., and has wholly-owned subsidiaries such as Yangzhou Shuangbao Electric Power, Shuanghui North America, and Pingdingshan Shuangxin Electric Power Equipment Co., Ltd., as well as an overseas investment company Shanghai Runjing Energy Technology Co., Ltd. The company has obtained ISO9001 quality management system, ISO14001 environmental management system, ISO45001 occupational health and safety management system certification, and has been rated as a contract-abiding and trustworthy enterprise in Jiangsu Province for many consecutive years. Our company develops and produces power fittings, composite products, complete sets of electrical equipment, etc. covering various voltage levels. Our power fittings products include suspension clamps, tension clamps, connection fittings, protective fittings, splicing fittings, and wire fittings of voltage levels such as DC ±1100kV, ±800kV, ±660kV, ±500kV and AC 1000kV, 750kV, 500kV, 330kV, and 220kV. Our composite products include high-voltage suspension composite insulators, ultra-high voltage suspension composite insulators, molded composite insulators, and ultra-high voltage pillar composite insulators. Our complete sets of electrical equipment mainly include primary and secondary integrated ring network boxes, primary and secondary integrated pole-mounted circuit breakers, 35kV inflatable switchgear, 10kV inflatable switchgear, 35kV high-voltage switchgear, 10kV high-voltage switchgear, 0.4kV low-voltage complete sets of equipment, etc. At the same time, the company is also actively exploring new energy markets such as photovoltaics, wind power, water conservancy, nuclear power, Sinopec, PetroChina, and CNOOC. Products include photovoltaic prefabricated cabins, photovoltaic booster stations (Chinese, American, European) and other high and low voltage complete sets of equipment. Our company actively explores domestic and foreign markets and is one of the important suppliers of State Grid and China Southern Power Grid. It has also successfully supplied to overseas power companies such as Tokyo Electric Power Company of Japan, Saskatchewan Power Company of Canada, Los Angeles Hydropower of the United States, Vietnam National Grid, Sarawak Electricity Company of Malaysia, and Philippine National Grid. Our company actively cooperates with well-known international engineering companies at home and abroad to design and supply related products or materials in Myanmar, Laos, Pakistan, Kenya, Ethiopia, Sudan, Ecuador and other countries.

Jiangsu Jiekai Electric Power Equipment Co., Ltd.

Address: Xiannv Town, Jiangdu District, Yangzhou City, Jiangsu Province

Company website: http://www.cnjsjk.com/

Company Overview

Jiangsu Jiekai Electric Power Equipment Co., Ltd. is located in Jiangdu District, the eastern suburb of the ancient city of Yangzhou. It is adjacent to the Yangtze River in the south, Ningqi Railway in the north, a large-scale water conservancy project diverting the Yangtze River in the west, and the two major traffic arteries of Beijing-Shanghai and Nanjing-Tong on the left. Yangzhou Taizhou Airport is adjacent to it. The geographical location is superior and convenient, and the transportation is smooth and fast. The company was founded in 1976, and was established as a provincial enterprise group in 1993. After deepening the reform in 2005, it became a private joint-stock enterprise. The registered capital is 80 million yuan, the total assets are 440 million yuan, the area is 110,000 square meters, and there are 535 employees. The company has always been focusing on the general policy of "creating famous brand products and building first-class enterprises", adhering to the development goal of "developing factories with science and technology, quality first, scientific management, and reputation first", promoting enterprise reform and innovation, development and progress, and has now become a large-scale domestic comprehensive power equipment manufacturing enterprise integrating production, sales, foreign trade, scientific research and development. The company mainly produces power fittings of various voltage levels of ±1100kV and below, covering low voltage, high voltage, ultra-high voltage, and ultra-high voltage. The product range covers four categories: malleable cast iron, cast iron, aluminum-copper-aluminum, and forging, with an annual production capacity of 30,000 tons. The company has a provincial engineering technology research center and an enterprise graduate workstation, and has 4 inventions, more than 30 utility models and other patented technologies. At the same time, the company actively participates in the drafting and revision of national standards and industry standards, which greatly enhances the company's popularity and reputation. High-quality product quality and a complete service system have shaped the good corporate image of Jiekai Company, and its popularity in domestic and foreign markets has been increasing, and its market share has been continuously increasing. Since 1986, "JK" brand 500kV and above voltage level power fittings have been selected for Anhui Huaifan Line, and have been used in ±1100kV Changji-Guquan, 1000kV Jindongnan-Nanyang-Jingmen, 1000kV Anhui Power East Transmission Project Huaishang Line, 1000kV Anhui Power East Transmission Project Huaishang Line North Ring, 1000kV Yuheng-Weifang, 1000kV Mengxi-Tianjin South, 1000kV Mengxi-Jinzhong, 1000kV Qinghai-Henan, 1000kV Linyi-Shijiazhuang, 1000kV Zhejiang-Fuzhou Line, 1000kV Zhangxiong Line, 1000kV Jingmen-Wuhan, 1000kV Nanyang-Jingmen-Changsha, 1000kV Zhumadian-Wuhan, 1000kV Fuzhou-Xiamen, ±800kV Ximeng-Shandong, ±800kV Zarut-Qingzhou, ±800kV Northwest Yunnan-Guangdong, ±800kV Ya'an-Jiangxi, ±800kV Baihetan-Jiangsu, ±800kV Baihetan-Zhejiang, ±800kV Xizhe Line, Lingshao Line, Xiangshang Line, Jinsu Line, Harbin-Zhengzhou Line, Jiuhu Line, Xitai Line, Qingyu Line, Shanhu Line, 1000kV Xuyi Substation, 1000kV Zhaozhuang Power Plant-Changzhi UHV Substation, ±800kV Ximeng-Taizhou UHV Direct It is used in hundreds of lines and substation projects, such as ±800kV DC converter station, ±800kV Nuozhadu power station, 750kV Guanting-Lanzhou East, ±660kV Ningdong-Shandong and ±500kV Longzheng line, ±500kV Guanyinyan, Sanguang line, ±800kV Suidong converter station, 750kV Yellow River substation, Guangxi Tianshengqiao converter station, Inner Mongolia Wuhai substation, Guangdong Huadu substation, etc. In addition, the company has also successively undertaken the first overseas project undertaken by State Grid China Electric Power Technology Equipment Co., Ltd. - the Ethiopian Renaissance Dam 500kV transmission and transformation line project, as well as the 230kV Northern Laos Power Grid EPC project undertaken by China Southern Power Grid, the Ethiopia-Kenya cross-border project, the northern Kachin State of Myanmar and the 230kV backbone network connection project, the Dushanbe 500kV transmission and transformation project in the Tajikistan Directly Controlled Region, the Rudaki 220kV substation project in Tajikistan, the Zaire Province power supply project in Angola, the Gazipur heavy oil power plant project in Bangladesh, etc. Jiekai Electric Hardware has been widely praised by domestic and foreign customers.

Pinggao Group Co., Ltd.

Address: No. 22, Nanhuan East Road, Pingdingshan City, Henan Province

Company website: http://www.pinggaogroup.com

Company Overview

Pinggao Group is affiliated to China National Electric Equipment Group Co., Ltd. It was founded in 1970 and is a pillar enterprise of major technical equipment in my country's electrical industry. It has strong research and development and manufacturing capabilities for large-scale high-end power equipment and outstanding energy system integration solutions in the industry. It is a national high-tech enterprise and a national innovative enterprise. After more than 50 years of development, Pinggao Group has formed a business structure covering the research and development, design, manufacturing, sales, testing, operation and maintenance of power transmission and distribution equipment and related equipment sets, power engineering general contracting, full-process engineering consulting, comprehensive energy services, power storage, electric boilers and thermal energy storage, offshore wind power grid-connected equipment, smart grid equipment, and charging and swapping facilities. It has built an industrial layout with the hinterland of the Central Plains as the center and its tentacles spread across economic zones such as the Beijing-Tianjin-Hebei region, the Yangtze River Delta, and the Bohai Rim. It actively expands the "Belt and Road" market, and its products cover more than 70 countries and regions including Eastern Europe, Southeast Asia, the Middle East, Africa, South America, and Oceania. In September 2013, the Huainan Station of the Anhui Power Eastward Transmission Project was put into operation. The ZF27-1100(L)Y6300-63 metal-enclosed switchgear developed by Pinggao Group was successfully applied in the Huainan Station of the Anhui Power Eastward Transmission Project. The completion and operation of the power station solved the problem of excessive short-circuit current in the 500kV power grid in East China and met the electricity demand in the Yangtze River Delta region. Pinggao Group insists on independent innovation, masters the R&D and manufacturing technology of AC/DC, full series and full voltage level switch products, and forms a new R&D system of "three institutes, two institutes, two centers and one base". It has developed a series of first-of-its-kind products that lead the development of my country's switches, break foreign monopolies, and improve the level of national equipment, especially in the fields of UHV AC/DC switches, DC wall bushings, environmentally friendly switches, power storage and other products, reaching the world's advanced level. The products are widely used in my country's key power projects, and have provided complete sets of equipment and technical services for many national key projects. In September 2019, the Sutong GIL integrated pipeline corridor project of the Huainan-Nanjing-Shanghai 1100kV AC UHV transmission project was put into operation. Pinggao Group completed the development of 1100kV GIL products and successfully applied them to Sutong GIL.

Yonggu Group Co., Ltd.

Address: No. 328, Wei 20th Road, Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province

Company website: http://www.yonggu.com

Company Overview

Yonggu Group was founded in 1985. Its products cover power transmission and distribution materials such as power fittings, cable accessories, insulators, copper and aluminum materials, and power transmission and distribution equipment such as primary and secondary integrated pole-mounted circuit breakers, disconnectors, fuses, and lightning arresters. It is a power transmission and distribution system service provider integrating R&D, manufacturing, sales, and services. The company has been selected as a Class A supplier of State Grid, China Southern Power Grid, and Inner Mongolia Power. As a member of the National Overhead Line Standardization Committee and a member of IEEESA, Yonggu has led/participated in the formulation and revision of 4 international standards, 3 national standards, 20 industry standards, 1 local standard, and 3 group standards. At the same time, it assisted the State Grid Corporation of China in formulating the "General Design of 10kV and 35kV Distribution Line Fittings for Transmission and Transformation Projects of the State Grid Corporation of China" and participated in the typical design of the distribution network projects of the State Grid Corporation of China. Yonggu Power Transmission and Distribution Equipment Research Institute has been recognized as a provincial enterprise research institute, and its technology center has been recognized as a Zhejiang provincial enterprise technology center and a provincial high-tech enterprise R&D center. It also has a provincial postdoctoral research workstation, and its technology innovation team is a Wenzhou-level key innovation team. It has undertaken and completed 82 projects including the National Torch Plan, provincial new product development projects, and municipal and county-level science and technology plans. It holds more than 100 valid national patents and has won 5 provincial and municipal science and technology progress awards. The company has established extensive industry-university-research cooperation with many well-known domestic universities such as Shanghai University, Xiangtan University and Wenzhou University. Yonggu Laboratory is a CNAS national accredited laboratory, and its accreditation scope covers nearly 80 national standards and 110 test items, covering temperature rise, resistance, thermal cycle, destructive load, power characteristics, power frequency withstand voltage, lightning impulse, partial discharge, metal material chemical composition analysis, metal flaw detection and other test items. The total area of the laboratory is more than 2,500 square meters. It has introduced a series of advanced testing equipment such as the American FEI scanning electron microscope, the German SPECTRO direct reading spectrometer, the German ZEISS metallographic microscope, the Japanese Olympus handheld XRF analyzer, the X-ray digital imaging detection system, the optical image detection system, the 600kN electro-hydraulic servo horizontal tensile testing machine, the 600kNMTS industrial system electro-hydraulic servo universal testing machine, the microcomputer digital display automatic sampling analyzer, the 4000A temperature rise thermal cycle test equipment, the complete set of equipment overcurrent tester, and the 150kV AC high-voltage testing machine. Yonggu has passed the quality management system, environmental management system, occupational health and safety management system, measurement management system, intellectual property management system and energy management system certification. The products are widely used in many industries such as power systems, rail transit, energy and chemical industry, mobile communications, etc., and have provided high-quality products and services for key domestic and foreign power projects such as the State Grid Southern Grid UHV line project, the agricultural distribution network transformation project in various provinces, the Shengli Oilfield standardization project, and the Gulong Oilfield high-yield well oil layer capacity construction project.

Taichang Group Co., Ltd.

Address: No. 919, Jinhai 1st Road, Konggang New Area, Longwan District, Wenzhou City, Zhejiang Province

Company website: http://www.taichang.com

Company Overview

Taichang Group is a private enterprise engaged in four major industrial sectors: manufacturing, engineering, overseas, and technology. It was established in Wenzhou in 1992 and now has three major production bases in Wenzhou, Hangzhou, and Jiaxing, eleven first-level holding subsidiaries, more than 1,500 employees, and a total area of more than 460 acres. Taichang is one of the important suppliers of the State Grid and the Southern Grid, and is the only company in the country that participates in the construction of power transmission line projects of all voltage levels. Entering the new era, Taichang actively participates in the construction of the "Belt and Road" initiative, and its products and services go global, entering more than 20 countries and regions in Africa, Southeast Asia, and South Asia.