opening roller complete
| Type | Serial NO.(RPM) | Machine type |
| GZ2 | PLC 76-3-7/KK(10000r) | BD200、FA601 |
| GZ2+ | BD200、FA601 | |
| GZ2B | PLC 76-3KK(10000r) | BD200、FA601 |
| GZ3+ | PLC 76-3-8(10000r) | D30 |
| GZ4+ | PLC 76-3-9(10000r) | BT902/905 |
| GZ5B | ||
| GZ6 | (10000r) | FA621 |
| GZ7 | PLC 74-10(10000r) | RU04/11、FA611 |
| GZ8+ | PLC 74-10-2(10000r) | AUTOCORO |
| GZ8B+ | PLC 74-10-2B(10000r) | RFRS10/30 |
| GZ9 | (10000r) | AUTOCORO |
| GZ12 | ||
| GZ2 complete | BD200、FA601 | |
| GZ3 complete | D30 | |
| GZ4 complete | BT902/905 | |
| GZ2B++ | D30 | |
| GZ7+ | RU04/11、FA611 | |
| GZ7 complete | RU04/11、FA611 | |
| GZ8 complete | AUTOCORO | |
| GZ8B complete | · | RFRS10/30 |
