(c) network and information security software development; technical services, technical advice, technology exchange, technology transfer, technology promotion; battery sales; mechanical and electrical equipment sales; network equipment sales; sale of light communications equipment; sale of integrated circuits; retail sales of electronic appliances; sale of cloud computing equipment; retail sales of hardware and equipment; sale of electrical and video equipment for sale; sale of electrical and video equipment; sale of electrical equipment; sale of electrical and video equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical and electronic equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale o...