As the professional manufacturer of electric heating cables, we have many other quality testing machines, which are not shown the above pic.
1. Power frequency withstand voltage test equipment
2. Combustion property tester
3. Hydraulic universal testing machine
4. Cable fault locator
5. Heat extension testing machine
6. High and low temperature aging test chamber
7. Vacuum drying chamber
8. Electronic analytical balance
And many other equipments.
The main quality control / test equipments are indicated HERE.