| Manufacturer | Changzhou Instrument Manufacturing Co. Ltd. |
| Category | Experimental instrumentation |
| Price | ￥2200.0 |
| Origin | Kim Teng, Changzhou City, Jiangsu Province |
| Imported or not | Yes |
| Order number | None |
| Process Custom | Yes. |
| Goods | None |
| Brand | Wan-soon! |
| Model | JJ-4A |
| Type | Physical teaching equipment |
| Materials | The stainless steel mix. |
| Measurement range | Scientific research |
| Scope of application | Science, chemistry, teaching, printing. |
| Whether or not to export a source of goods exclusively across borders | Yes |
| Specifications | JJ-4 (symmetrically synchronous), JJ-4A (symmetrically symmetrical), JJ-4B (symmetrically symmetrically symmetrically) |
