| Model | Description | Price/Material | Installation Size |
|---|---|---|---|
| SZL-WL-A | All-metal, fixed rotating rod with large metal rollers | Price negotiable | 30*58 |
| SZL-WL-B | Adjustable rotating rod with large metal rollers | Negotiable all-metal | 30*58 |
| SZL-WL-C | Large quantity of adjustable metal rods | Negotiable all-metal | 30*58 |
| SZL-WLC-A | Large quantity of metal roller fixed rotating rods, long stroke | Negotiable all-metal | 30*58 |
| SZL-WLC-B | Large quantity of metal roller adjustable rotating rods, long stroke | Negotiable all-metal | 30*58 |
| SZL-WL-D | Large quantity of fork-type head side rotation | Negotiable all-metal | 30*58 |
| SZL-WL-E | Large quantity of roller plunger direct-acting type | Negotiable all-metal | 30*58 |
| SZL-WL-F | Large quantity of flat plunger direct-acting type | Negotiable all-metal | 30*58 |
| SZL-WL-K | Large quantity of universal spring rods | Negotiable all-metal | 30*58 |
| SZL-WL-P | Large quantity of fork-type head side rotation | Negotiable all-metal | 30*58 |