| Feature |
- Realization of low noise, weight lightening, and high efficiency by application of blades in aluminum alloy for die castings (DR-E200~E350DS), glass-fiber-reinforced plastics(GFRP), and plastic blades (DR-FP400~FP500)
- Performance and efficiency in high level, and continuous operation in miniaturized and lightweight structure
- Adjustable use of air supply and exhaust system at one’s disposal in any places based on field conditions through detachable ducts and simple transport and handling
- Wide range of use and method, and greatest contribution to less choking incidents and improved working environments
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