Groups of products	period	Total
1. Manufacture of aircraft and spacecraft	2018	122.7
1. Manufacture of aircraft and spacecraft	2017	101.0
2. Office machinery and computers	2018	20.5
2. Office machinery and computers	2017	22.3
3. Electronic Material  radio, television and communications equipment	2018	27.2
3. Electronic Material  radio, television and communications equipment	2017	28.3
4.  Pharmaceutical products	2018	68.8
4.  Pharmaceutical products	2017	77.4
5. Scientific instruments	2018	38.2
5. Scientific instruments	2017	38.9
6. Electrical machinery and material	2018	43.6
6. Electrical machinery and material	2017	34.5
7. Chemical products	2018	114.0
7. Chemical products	2017	117.6
8. Mechanical machinery and equipment	2018	167.9
8. Mechanical machinery and equipment	2017	116.2
9. Weapons and ammunition	2018	318.3
9. Weapons and ammunition	2017	313.9
Coverage rate of the foreign trade of high tech products	2018	54.7
Coverage rate of the foreign trade of high tech products	2017	55.5
Coverage rate of total foreign trade	2018	89.2
Coverage rate of total foreign trade	2017	91.3