タイトルまたは説明

Detailed product description

1. Frame used of advanced automatic processing technology , high precision  .
2. Extra-thick zinc coating , anti-corrosive strong .High-strength aluminum alloy die-casting wheel ,new twisted metal forming blade.
3. Reasonable blade angle can reach the maximum air flow . high-precision micro-computer-aided manufacturing system allows fans to maximize performance.
4. Five strict quality testing procedures ;noise testing , vibration testing ,rotation concentric performance testing ,blade speed detection , whole machine efficiency detection .
5. High-grade cooling fan is used of national standard aluminum motor .
6. Large blowing rate , stable operation and long duration . low noise and power consumption..