About Us

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Number of Employees 201-500 People
Established in 1999

In 2009, the company chairman Mr. Gong Jianhua founded Suzhou Longgong Vacuum Technology Co., Ltd., facing the new opportunities of development plan the structure and layout, aspire after greatness. In 2017, Jiangsu Longgong Vacuum Technology Co., Ltd. was established, adhere to the high starting point planning, high standards of management, high-quality production, became the influential and competitive high-end electrical equipment manufacturer and one-stop equipment service provider, win the attention of the industry.


Jiangsu Longgong Vacuum Technology Co., Ltd. specializes in the production of epoxy resin dynamic vacuum pressure) casting equipment, epoxy resin static vacuum (pressure) casting equipment, amorphous alloy transformer vacuum oil filling equipment, vacuum drying equipment, kerosene vapour phase drying equipment, vacuum (pressure).impregnation equipment, oil treatment equipment, curing oven, foil winding machine, horizontal winding machine, silicon steel sheet cutting line, silicon steel slitting line, dry-type transformer mold and other electrical equipment. The company has a modern professional manufacturing plant more than 10,000 square meter with more than 150 staff.There are 55 senior engineering and technical personnel ensuring strong R & D and design ability, the key staff have more than 20 years experience in electrical equipment industry.


Upholding the development concept of "technology achieving quality and quality achieving brand", the company have equipped several sets of international advanced production and testing equipment, have more than 10 national patents, passed ISO9001: 2015 quality management system certificate. In design, manufacture, inspection installation, commissioning and testing each link has precision checks, rigorous testing in order to the sophisticated product quality. Longgong' s products have the advantages of novel design, reliable quality, simple operation reasonable structure and others to fully meet the requirements of modern power equipment construction, won the praise of industry experts and wide customers, Longgong has become designated supplier for major power equipment companies and related agencies. We worked successively with Xi'an Aerospace Engine Factory, China Aviatior Aircraft Co., Ltd.. ABB, Siemens, Schneider Electric, Jiangsu Huapeng, Wolong Electric, Qianjiang Electric, Shanghai NextEV, Shanghai Jingjin Electric, Jiangsu Huachen, Jiangsu Juli, Lute Electric, Shandong Luneng Chaoyue, Shanghai Zhongbian etc hundreds of customers and reached strategic cooperation. In the meantime exports dozens o countries such as Pakistap, South Korea, Ukraine, Bangladesh, Thailand, Vietnam, Uqanda, Mexico, Peru. Saudij aba. Tulkey Hazakhstan to make a significant contribution to the global electricity transmission and distribution business!


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