| Invention patent | |
| A six-axis woolen roving frame | ZL 2018 2 1956012.1 |
| A seven-spindle cotton roving frame | ZL 2018 2 1956774.1 |
| Dust suction device and roving frame | ZL 2017 2 1376094.8 |
| A non-differential system for roving frame | ZL 2017 2 0987075.2 |
| New wool spinning guide and carding machine | ZL 2017 2 1376111.8 |
| A five-axis woolen roving frame | ZL 2017 2 0987354.9 |
| Electric control device of roving frame | ZL 2017 2 1105668.8 |
| Electric control device of roving frame | ZL 2017 2 1105692.1 |
| New five-axis roving frame | ZL 2017 2 1106086.1 |
