"Power supply and components" to provide customizing with efficient switching power supply, thermal management solutions and components and other products."Energy management" through the system integration and solutions, to help customers improve efficiency, reduce operating costs and capital expenditure service and service content  across the industrial automation, solar energy, wind energy, car electronics and communication power.“Smart green life” is looking for individuals, families and businesses to bring more environmentally healthy lifestyle, products include video imaging systems, network communications systems, LED lighting, intelligent voice systems and cloud computing.At the same time, the positive development of delta brand, continue to provide energy efficient and reliable overall solution.