Bowl-shaped
| Type | Specification | Parameter | Product Number | |||
| Working Cylinder Outer Diameter φ | Inner Hole φ | Height | Large Outer Diameter φ | |||
| Bowl Type | S20 | 19 | 13 | 6.5 | 22 | 215 |
| S20 | 20 | 13 | 6.5 | 22 | 215-1 | |
| S25 | 23.6 | 16 | 9.5 | 28 | 185-A | |
| S25 | 23.7 | 16 | 11 | 28 | 322-A | |
| S25 | 21.9 | 12.6 | 6.8 | 24.8 | 778-A | |
| S25 | 23.4 | 17 | 10.5 | 28 | 822-A | |
| S27 | 25.8 | 16 | 14 | 29.5 | 516-A | |
| S27 | 26 | 14.5 | 11.5 | 30.5 | 591 | |
| S30 | 28.8 | 16 | 15 | 33 | 445-A | |
| S30 | 28.5 | 22 | 10.4 | 34 | 816-A | |
| S32 | 30.8 | 16 | 17 | 35 | 348 | |
| S32 | 30.8 | 16 | 15 | 35 | 512-A | |
| S35 | 33.2 | 20 | 15 | 40 | 519-A-1 | |
| S36 | 34.3 | 16 | 15 | 39 | 449 | |
| S36 | 34.3 | 20 | 15 | 40 | 519-A | |
| S40 | 39.5 | 25 | 9.2 | 44 | 773-A | |
| S46 | 46 | 17 | 14 | 53 | 442 | |
358 Tianhai Road, Binhai New Area, Economic Development Zone, Fenghua District, Ningbo City, Zhejiang Province