General projects: Communication equipment manufacturing; Communication equipment sales; Navigation terminal manufacturing; Navigation terminal sales; Electronic component manufacturing; Sales of electronic products; Wholesale of electronic components; Retail of electronic components; Manufacturing of power electronic components; Sales of power electronic components; Electronic special equipment manufacturing; Optoelectronic device manufacturing; Optoelectronic device sales; Electronic special equipment sales; Office supplies sales; Electronic special materials sales; Manufacturing of electronic components and electromechanical components; Research and development of electronic special materials; New material technology research and development; Packaging service; Battery manufacturing; Battery sales; Hardware product manufacturing; Hardware retail; Hardware wholesale; Hardware product research and development; Rubber products manufacturing; Rubber products sales; Manufacturing of plastic products; Sales of plastic products; Domestic trade agent; Import and export of goods; Technology import and export; Industrial robot manufacturing; Industrial robot sales; Software development; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology popularization.