| serial number | Patent name | Patent number |
| 1 | Synchronizer ring sandblasting process |
ZL 2008 1 0048735.6 |
| 2 | Processing method of steel-based resin tooth ring rough forgings |
ZL 2008 1 0048736.0 |
| 3 | Synchronizer tooth ring wear durability testing machine |
ZL 2011 1 0413825.2 |
| 4 | Synchronizer tooth ring wear durability testing machine |
ZL 2012 1 0047242.7 |
| 5 | Composite fixture and preparation method thereof |
ZL201410121482.6 |
| 6 | Hot forged feeding electric joint manipulator |
ZL201410121503.4 |
| 7 | One-time carbonization fixture with limit function |
ZL 2017 1 1427727.8 |
| 8 | Mechanism and assembly method for synchronizer assembly assembly |
ZL 2017 1 1427917.X |
| 9 | Inspection fixture for tooth-shaped fixtures | ZL 2017 1 1427726.3 |
| 10 | A kind of synchronous tooth ring inner ring processing composite fixture | ZL 2017 1 1427945.1 |
| 11 | Synchronizer tooth ring assembly packaging tray | ZL 2018 1 1622341.7 |
| 12 | Synchronizer tooth ring clamping in place, alarm device and turning equipment | ZL 2018 1 1621175.9 |
| 13 | Synchronizer tooth ring fixture, turning chuck device and turning equipment | ZL 2018 1 1621212.6 |
| 14 | A kind of tooth ring punching die and method | ZL 2017 1 1427591.0 |
| 15 | Steel-based toothed ring magnetic sandblasting fixture and sandblasting method | ZL 2018 1 1652702.2 |
| 16 | Tooth ring fixture ball plunger installation fixture and installation method | ZL201911421670.X |
| 17 | A kind of radial carbon tooling for tooth rings | ZL201911421679.0 |
|
18 |
Multi-cone synchronizing ring assembly and synchronizer |
ZL201911414632.1 |
| serial number | Patent name | Patent number |
| 1 | A kind of C-type spring spring testing device | ZL201620305640.8 |
| 2 | Base surface distance detection instrument | ZL201620034912.5 |
| 3 | Tooth ring forgings flashing punching die tooling | ZL201521134874.2 |
| 4 | A kind of synchronous static shift test platform | ZL201720072489.2 |
| 5 | A kind of synchronous tooth ring inner ring processing composite fixture | ZL201720786773.6 |
| 6 | A kind of press-type base surface distance gauge auxiliary detection tooling | ZL201721841101.7 |
| 7 | A kind of carbon equipment positioning tooling | ZL201721840597.6 |
| 8 | A kind of split structure mold and tooth ring forging device | ZL201721840598.0 |
| 9 | A kind of deflection detection device | ZL201922481527.1 |
| 10 | A kind of press-plate forging mold | ZL201922483148.6 |
| 11 | An automatic leveling device for synchronizer tooth rings | ZL201922472517.1 |
| 12 | Lever ring machining fixture | ZL202022580629.1 |
| 13 | Abrasive blasting fixtures and sandblasting devices | ZL202022673999.X |
| 14 | CNC lathe automatic feeding device and automatic processing equipment | ZL202022889350.1 |
| 15 | Mechanical simple splice device and CNC machine tool | ZL202022684202.6 |
| 16 | Special-shaped ring metal product processing fixture | ZL202022626146.0 |
| 17 | Machining center tool holders follow chip sweepers, systems and machine tools | ZL202022822115.1 |
| 18 | Synchronizer tooth ring positioning structure, system and machine tool | ZL202022857290.5 |
| 19 | Synchronous ring molybdenum spraying tooling and system | ZL202022848002.X |
| 20 | Radial pressing carbon limit tooling and carbon fitting device | ZL202022953042.0 |
| 21 | Positioning clamping fixture for front shaft mounting holes and pin hole machining | ZL202122568908.0 |
| 22 | A positioning tightening fixture for automatic machining of front axle milling fist wall | ZL202122566874.1 |
| 23 | A special fixture for the machining of bushing parts | ZL202122568928.8 |
| 24 | Flexible material processing fixtures and processing equipment | ZL202220310383.2 |