Shandong Electrical Engineering & Equipment Group Co., Ltd. (SDEE), a large state-owned enterprise affiliated to the State Grid Corporation of China (SGCC). focuses on the services in energy and power industry, provides technology, products and services to global customers, and builds into an international first-class power equipment manufacturer and integrated solutions service provider. SDEE operates service networks in nearly 80 countries and regions around the world, providing customers with better, faster, and more considerate services anytime and anywhere.

SDEE adheres to the principle of customer-centric and market-oriented, has the advanced technology R&D platform, first-class test ability, perfect quality assurance system, mature product supporting and integration ability, and sound marketing service system. SDEE has successively provided power transmission and transformation equipment and materials for many key UHV projects put into operation and under construction in China. 

SDEE has created a highly sophisticated scientific research team, and established graduate training base, China National Accreditation Service for Conformity Assessment (CNAS) Accreditation Testing Center (CNAS L5886), provincial UHV GIS Engineering and Technology Research and Development Center and other scientific research platforms. SDEE relies on State Grid Smart Research and Institute to strengthen the cooperation with world famous universities and top class transformer research institutes (such as VIT, VEI), actively to develop the advanced basic research in electrical and engineering sector.  

SDEE has various types of high-end equipment and devices with amount more than 400 units and total value of 300 million Yuan, which could carry out the EHV power transformer basic research and lab research. Include more than 10 sets of large professional simulation software, such as Russian VEI, Canadian Infolytica and IES, Tsinghua SOLOS, American ANSYS, Pro-E etc.

SDEE has the large generator with max capacity of 30 MVA, capacitor compensation system with capacity of 720MVA and the world¡¯s highest voltage level of 6000kV/900kJ surge voltage generator, ¡À2400kV/30mA DC high voltage generator and 2000kV/10A power frequency series harmonic device, and has achieved abundant test results in high voltage insulation test, large-capacity temperature field distribution verification for UHV converter transformer and reactor.

Many of our products have passed the test certification of CESI, KEMA, ASTA and other international laboratories.

SDEE has formed a perfect production and sales service chain of transformers, iron towers, wires and cables, combined electric and intelligent distribution network products. SDEE is the leader in the industry with R&D and production capacity in AC / DC transformer with full voltage and full series, full series angle steel tower, steel pipe tower, frame support, 1,000 kV and below wire, 500kV cable and below. SDEE has achieved the complete intelligence of equipment in GIS business.