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We’re Beijing Daelim Green EP Tech Co., Ltd. We have been engaged in the design, engineering and production of high-quality electrical equipment for more than 15 years. Based on “DAELIM EDGE+ ADVANTAGE” concept, we established DAELIM BELEFIC. Moreover, thanks to this concept, we can provide our clients multiple standards, cutting edge service and speed with our professional customization skills.

TSTY, established in 2007, and is a national high-tech enterprise with R&D, production, sales and service. TSTY is located in Zhengzhou, with 360 employees (56 R&D experts and engineers), 128 core patents, 3 intelligent production plants, and its annual output value can up to 62 Million USD. After more than 10 years’ development, TSTY is becoming the largest incubation base for intelligent electrical equipment in Henan Province.
The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations and high and low voltage switchgears. The company has built the Transformer Engineering Technology Research Center, and a newly intelligent production plant. It has 109 utility model patents and 18 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, it provides the world's power industry with comprehensive solutions. Our certificates include:National High-tech Enterprises, Intertek Quality Management System Certification I S O 9 0 0 1, IEC, 3C etc.
We are the key procurement unit for large national projects such as State Grid, State Railway Administration, South-to-North Water Diversion, etc. Our Products have entered the power grid, government projects, industrial and mining enterprises, steel, real estate, new energy and other fields. Meanwhile, the products have been exported to Indonesia, Philippines, Malaysia, Sri Lanka, Ethiopia, Nigeria, South America, etc.
We always adhere to "talk to the world with quality, create value with service", and sincerely look forward to long-term and good cooperation with you!