Rectangular technology ltd. Is registered at 2310 a, wanda square, tangsan city, hebei province. The registration authority is the market supervisory authority of the southern district of tangshan city, represented by legal persons, and operates on general projects: software development; computer systems services; data processing and storage support services; science and technology brokering services; conference and exhibition services; electronic product sales; wholesale distribution of computer software and hardware and assistive equipment; information consultancy services (excluding licensed information); import and export of goods; repair of communications equipment; specialized equipment repair; wholesale distribution of electronic appliances; and retail electronic devices. (in addition to projects subject to legal authorization, operating independently of the law by means of a business licence) licensed projects: public stamp; category ii value added telecommunications. (a pro...