Delta UPS Power Supply - Zhongda Diantong Battery - Official Website of Delta Group (China) Co., Ltd. Founded in Shanghai in 1992, Zhongda Diantong has maintained an average annual growth rate of 26% since its establishment, providing efficient and reliable power, video, automation, and energy-saving application solutions for industrial users. It ranks among the top in the market share of industrial automation and is also a leading provider of video display control and network communication infrastructure solutions. Zhongda Diantong integrates the excellent power electronics and control technology of its parent company, Delta Group, and continues to introduce domestically and internationally leading performance products. Based on a deep understanding of the customer's operating environment, Zhongda Diantong proposes complete solutions according to the process requirements of various industries, creating a competitive advantage for customers. Adhering to the business mission of "environmental protection, energy conservation, and love for the earth", we have successively launched multiple new applications in the fields of green energy, energy conservation and emission reduction, and building energy conservation technology. To meet customers' demand for uninterrupted operation, Zhongda Diantong has 71 branches across the country, including 11 maintenance centers. Relying on a well-trained technical service team, Zhongda provides customers with personalized and comprehensive pre-sales, in sales services, and the most reliable after-sales support. With over 20 years of deep cultivation and the efforts of more than 1300 employees, Zhongda Diantong's revenue in 2017 was approximately 3.8 billion RMB. In the future, Zhongda will continue to innovate and create a smarter and more environmentally friendly future through close cooperation with customers. Delta Group was founded by Mr. Zheng Chonghua in 1971 and is a leading global manufacturer of power management and cooling solutions. In the face of increasingly severe climate change, Delta has long been concerned about environmental issues, adhering to the business mission of "environmental protection, energy conservation, and love for the earth", continuously developing innovative energy-saving products and solutions, and striving to improve the energy conversion efficiency of products to alleviate the impact of global warming on human survival. In recent years, Delta Group has gradually transformed from a key component manufacturer to a provider of overall energy-saving solutions, focusing on three major business areas: "power and components", "automation", and "infrastructure". Delta is committed to innovative R&D, and invests 6% -7% of the group's turnover as R&D expenses every year. Its R&D centers are all over the world, including Chinese Mainland, Taiwan, Japan, Singapore, Thailand, the United States and Europe. Adhering to its commitment to environmental protection, Delta continuously improves the energy conversion efficiency of its power products. Currently, the efficiency of its products has reached over 90%, with communication power efficiency leading the industry by 98% and solar inverter efficiency reaching as high as 98.8%. Since its establishment, Delta has won numerous awards in terms of business performance, technology research and development, and fulfilling corporate social responsibility. For the sixth consecutive year, it has been included in the "DJSI World" of the Dow Jones Sustainability Index (DJSI), and for the fourth consecutive year, it has been included in the "DJSI Emerging Markets Index". In the 2016 International Carbon Disclosure Project (CDP), Delta was elected as a "leadership level" for climate change. Faced with the crisis of global warming and climate change, Delta will continue to invest in product research and technological innovation, provide efficient and reliable energy-saving integration solutions and services, and contribute to the sustainable development of humanity.