Profile

Qingzhou Liwang Power Technology Co., Ltd. is located in Qingzhou City, one of the ancient times in Guzhou. It was founded in 1989 and is the production base of disc-shaped suspension porcelain (glass) composite insulator and epoxy solid core composite pillar insulator.In December 2009, the company was approved by the Science and Technology Department of Shandong Province to establish the “Shandong Province Composite Insulator Engineering Technology Research Center”. It now has multiplicityl patent technologies, and is a company with strong technical strength and strong independent technology research and development capabilities and independent intellectual property rights，enterprise.

The company has complete process equipment, advanced testing methods and perfect quality assurance system.In the industry, it has passed ISO9001:2015 quality management system certification, iso14001:2015 environmental management system certification, ohsas 18001:2007 occupational health and safety management system certification, and successfully achieved integration with international standards.

The company strictly implements the International Electrotechnical Commission (IEC) standards and China, the United States, the United Kingdom and other standards, the main products are: ultra-high voltage, ultra-high voltage DC ± 40 - ± 1500kV epoxy solid core composite pillar insulator series products, AC 10 - 1100kV ring Oxygen solid core composite pillar insulator series products, 70-550kN porcelain (glass) composite insulator series products for AC and DC systems, AC and DC double composite tensile rod suspension insulator components series products, and composite insulator series products for electrified railways, 10-220kV rod composite insulator series, 6-220kV synthetic insulation gapless zinc oxide surge arrester series, 35kV and below composite high pressure wall bushing, composite high voltage isolating switch, composite drop fuse, composite current limiting fuse, etc. Series products.

The company’s self-developed patented porcelain (glass) composite insulators currently have more than 3.8 million pieces of safe operation on more than 1,100 transmission lines across the country.The main projects undertaken include: “±800kV Jinping—Sunan UHV DC Transmission Project”, “Inner Mongolia Ximeng-Taizhou ±800kV UHV DC Project”, “Shanghai Temple-Shandong ±800kV UHV DC Transmission Project”, “ Jiuquan-Hunan ±800kV UHV DC Project” “Beijing-Shanghai High-speed Railway Project”, “500kV Chuantai Line, Zouji Line, Zouyu Line”, “Heilongjiang 500kV Yonghajia Line”, “Jilin 500kV Henan Line 1” “Xi’an 330kV Fengqi-Zhangcun Line Project”, “Sichuan Chengdu Chengzhao East-West Line, Jianchang No.2 Line, Zhaocun Line, Longzhao Line, Deyang Anyunan-North Double Line”.The company’s other self-developed patented products, AC and DC epoxy solid core composite pillar insulators are the first products at home and abroad, and all the indicators have reached the international leading level.At present, it mainly undertakes “Haminan-Zhengzhou ±800kV UHV DC Transmission Project”, “Xiluodu-Zhejiang ±800kV DC Transmission Project”, “Jiandong-Chongqing±1100kV UHV DC Transmission Project”, “1000kV Weifang Converter Station” High-voltage AC transmission project”, “Northwest-Guangdong ±800KV UHV transmission project Xinsong converter station”, “±800kV Nanjing converter station UHV DC transmission project”, “±800kV Jiuquan converter station UHVDC transmission project “±800kV Shanghai Temple Converter Station UHV DC Transmission Project”, “±800kV Ximeng Converter Station UHVDC Transmission Project”, “±800kV Jinbei Converter Station UHV DC Transmission Project”, “±800kV Xiangtan Converter Station UHV DC transmission project, “±1100kV Guquan converter station UHV DC transmission project” and other national key transmission and transformation projects.

The company has always been adhering to the “quality is the life of the enterprise”, the purpose of “powered Wang insulators, 20 years maintenance-free, save three times the money!” for our eternal soul.Let the strong grid use the most valuable products, make the grid people live more relaxed, happy and happy!