| Department of Planing and Investment of Ha Noi city 
 Bussiness Registration Division ——————————– | Socialist Republic of Viet Nam 
 Independence – Freedom – Happiness ————————————— | 
BUSINESS REGISTRATION CERTIFICATE
ONE-MEMBER LIMITED LIABILITY COMPANY
Enterprise Code: 0104831665
First registered in 9th August 2010
Forth changed in 27th May 2015
“Transferred from Air Traffic Technical Services Center – a subsidiary of Vietnam Air Navigation Services Corporation- having Business Registration Certificate No.0116001107 dated 27 March 2009 issued by Hanoi Department of Planning and Investment – Business Registration Division in accordance with Decision No.1598/QD-HDQT dated 22 July 2010 of the Management Board – Vietnam Air Traffic Management Corporation”
1. Company name
Company name in Vietnamese: Công ty TNHH Kỹ thuật Quản lý bay
Company name in English: Air Traffic Technical Company Limited
Short name: ATTECH CO., LTD
2. Head office: 5/200 Nguyen Son stress, Bo De ward, Long Bien district, Hanoi city.
Tel: 04.38271914 Fax: 04.38720398
Email: attech@hn.vnn.vn Website: https://attech.com.vn
3. Business scope:
| No | Business scope | 
| 1 | Direct support services for air transport Specifically: – Training service for air operation staff; – Communications – Navigation – Surveillance services; – Other direct support services for air transport; | 
| 2 | Other support services not yet classified Specifically: Import and export its own business items | 
| 3 | Education support services | 
| 4 | Vocational education | 
| 5 | Supply and management of labor resources (only when authorized by relevant authority, not including brokerage, recruitment and supply of labor for labor export enterprises) | 
| 6 | Natural and technical science study and trial development | 
| 7 | Architectural activities and related technical consultancy services Specifically: – Construction supervision for civil and industrial works: construction and completion; – Civil and industrial structure design; – Architectural design; – Preparation of civil engineering investment projects; – Management of civil engineering investment projects; – Consultancy services relating to the preparation of tender invitation documents and appraisal of tender documents; – Second-class cost management consultancy services: + Preparation and investigation of total investment (apart from nationally significant projects); + Performance appraisal of civil engineering investment projects (apart from nationally significant projects); 
+ Identification of rate of return, construction unit price and norms, construction price index; + Civil engineering quantities take-off; + Preparation and investigation of civil works cost estimates; + Identification of tender package and contract prices in construction activities; + Control of civil engineering costs (apart from nationally significant projects); + Preparation of contract finalization document; + Preparation of investment capital cost finalization document for construction works (not including such activities as: total investment preparation and investigation; performance appraisal of civil engineering investment projects and control construction costs for nationally significant projects). | 
| 8 | Data processing, rental and associated activities (not including network setup and telecommunications infrastructure solutions provision); | 
| 9 | Information technology and other computer-related services; | 
| 10 | Consultancy on computer and computer management; | 
| 11 | Computer programming; | 
| 12 | Wireless telecommunications activities (not including network setup and telecommunications infrastructure solutions provision) | 
| 13 | Wire telecommunications activities (not including network setup and telecommunications infrastructure solutions provision) | 
| 14 | Restaurant and mobile catering services (not including bar, karaoke and dance club business); | 
| 15 | Short-term accommodation services; | 
| 16 | Retail sale of computers, peripheral units, software and telecommunication equipment in specialized stores. | 
| 17 | Wholesale trade of machinery, equipment and other spare parts | 
| 18 | Wholesale trade of electronic and telecommunication equipment and components | 
| 19 | Wholesale trade of computers, peripheral units and software | 
| 20 | Sale of spare parts and accessories of automobiles and motor vehicles | 
| 21 | Maintenance and repair services of automobiles and motor vehicles | 
| 22 | Other specialized construction activities | 
| 23 | Finish of construction works | 
| 24 | Installation of other construction systems | 
| 25 | Installation of water supply and drainage system, heating and air conditioning system | 
| 26 | Installation of power supply system | 
| 27 | Construction of other civil engineering works | 
| 28 | Construction of public works | 
| 29 | Installation of machinery and industrial equipment | 
| 30 | Repair of other equipment | 
| 31 | Repair of electrical devices | 
| 32 | Repair of electronic and optical devices | 
| 33 | Repair of machinery and equipment | 
| 34 | Repair of metal products | 
| 35 | Manufacture of other electrical devices | 
| 36 | Manufacture of lighting devices | 
| 37 | Manufacture of various types of conducting wire | 
| 38 | Manufacture of other electrical and electronic wire and cable | 
| 39 | Manufacture of motor, generator, transformer, electrical distribution and control equipment | 
| 40 | Manufacture of clocks | 
| 41 | Manufacture of measuring, testing and control equipment | 
| 42 | Manufacture of civil electronic products | 
| 43 | Manufacture of communications equipment | 
| 44 | Manufacture of electronic components | 
| 45 | Mechanical processing; metal plating and treating | 
| 46 | Manufacture of metal components | 
| 47 | Portal (apart from information prohibited by the State and press activities) | 
| 48 | Sale of real estate, land use rights of owners, users or tenants Specifically: Lease of land-linked properties, lease of offices and land for business; (For conditional business lines, we only do business after fulfilling all conditions required by law) |