Groups of products	period	Total
1. Manufacture of aircraft and spacecraft	2019	149.6
1. Manufacture of aircraft and spacecraft	2018	122.7
2. Office machinery and computers	2019	22.9
2. Office machinery and computers	2018	20.5
3. Electronic Material  radio, television and communications equipment	2019	28.9
3. Electronic Material  radio, television and communications equipment	2018	27.2
4.  Pharmaceutical products	2019	63.2
4.  Pharmaceutical products	2018	68.8
5. Scientific instruments	2019	39.9
5. Scientific instruments	2018	38.2
6. Electrical machinery and material	2019	47.2
6. Electrical machinery and material	2018	43.6
7. Chemical products	2019	102.1
7. Chemical products	2018	114.0
8. Mechanical machinery and equipment	2019	145.6
8. Mechanical machinery and equipment	2018	167.9
9. Weapons and ammunition	2019	277.4
9. Weapons and ammunition	2018	318.3
Coverage rate of the foreign trade of high tech products	2019	56.1
Coverage rate of the foreign trade of high tech products	2018	54.7
Coverage rate of total foreign trade	2019	90.2
Coverage rate of total foreign trade	2018	89.2