1. The fan blade is stamped and formed by Krupp Stainless, without dust, beautiful and durable. The special blade shape design has a large amount of wind, no deformation, no rupture, and all the way the air volume is the same.

2. China motor and Siemens motor are available. The voltage and frequency of the motor can be customized. Chinese cars use specially designed fans, which are proposed in the phase loss protection device, turn off the power supply, and when the power is short, you can turn off the power yourself. Motor protection class IP 55, insulation class F.

The fan pulley is die-cast from high-strength aluminum-magnesium alloy, reducing weight, impeller blade integrity, and high corrosion resistance. Reinforced pulley design. Eliminate internal stress, improve its own stiffness and stability, and will not break.

3. Open the blinds manually, and naturally ventilate when the fan is not activated.

4. The high-strength nylon hundred-weight hammer is used to open the mechanism, and the blinds are opened and closed flexibly.