| K1 trackless rewind product technical description | 876KB | 19 | 2024-12-14 | Download |
| D2 Technical description of the wire-controlled rollback product | 1.09MB | 11 | 2024-12-14 | Download |
| D1 Speed control rewind product technical description | 800KB | 10 | 2024-12-14 | Download |
| C1 folding yarn - Technical description of framed products | 316KB | 11 | 2024-12-14 | Download |
| C1 folding yarn - frameless product specification | 1.93MB | 7 | 2024-12-14 | Download |
| B2 folding yarn product technical description | 628KB | 11 | 2024-12-14 | Download |
| B1 folding yarn product technical description | 3.10MB | 11 | 2024-12-14 | Download |
| A1 folding yarn product technical description | 885KB | 14 | 2024-12-14 | Download |
