Sia Engine Powered Knapsack Sprayer
| Model | Engine | Tank Capacity | Pressure | Output | Price |
| SEK-777 | 2-Stroke | 25 L | 13-20kg/cm | 8 l/min | 6,000.00 |
| SEK-888 | 4-Stroke GX35 | 25 L | 15-25kg/cm | 8 l/min | 9,500.00 |
| DMM-600 | 2-Stroke | 14 L | - | 12,000.00 |
Sia Engine Powered Knapsack Sprayer
| Model | Engine | Tank Capacity | Pressure | Output | Price |
| SEK-777 | 2-Stroke | 25 L | 13-20kg/cm | 8 l/min | 6,000.00 |
| SEK-888 | 4-Stroke GX35 | 25 L | 15-25kg/cm | 8 l/min | 9,500.00 |
| DMM-600 | 2-Stroke | 14 L | - | 12,000.00 |