JI TONG

Installation, maintenance and repair of computer hardware; installation, maintenance and repair of business and office machinery for computer networks; installation, maintenance and repair of electric kitchen appliances; interference suppression in electrical apparatus; installation and repair of telephones; providing information in the field of building construction, maintenance and repair

Delivery of messages by electronic transmission; telephone communication services; telex transmission services; cellular telephone communication services; electronic transmission of data and documents by computer terminals; electronic mail services; facsimile transmission; satellite transmission; electronic transmission of message and images

Technical project studies in the field of broadband networking; engineering; professional consultancy in the field of network communications; printing services; computer programming for others; computer software design for others; rental of sanitation facilities; updating of computer software for others