1. PA195I-3X1 DC single phase intelligent digital ammeter
2. LNF-9M7 multi channel digital display temperature and humidity controller
3. LNF-DM7-1101 single channel digital display temperature and humidity controller
4. LYY-10A-1 asphalt ductility tester
5. LYY-9A temperature regulating and speed regulating asphalt elongation tester
6. WSY-026 digital display asphalt penetration tester
7. J944H electric angle stop valve
8. J644H pneumatic angle stop valve
9. GID- 40 electric vacuum butterfly valve
10. GID-50  electric vacuum butterfly valve TAG：