1.Fan frame and housing are used 275g/m²galvanized SuperDyma Nippon Steel, which is the world's top corrosion resistant materials. Or optional 275g/m²hot-dip galvanized sheet material.
2.The central hub is made of aluminum, with the reinforced ribs to prolong the service life; small motor wheel is made of wear-resistant materials with high hardness cast iron.
3.Motor has WEG motor, SIEMENS motor and high quality domestic motor for selection. Each motor is tested by 100% quality control.
4.All bearings on the fan are the best brand bearing of China, and it is a high quality and low noise bearing of the brand. The quality grade is P6, and the noise level is Z1.
5.No maintenance 430BA grade 1.2mm thickness stainless steel blade, or 3 Aluminum zinc plate blades, each blade is punched by mold, each blades are though the dynamic balance test, ensure the weight difference is less than 0.5g; It makes the fan run more smoothly, the noise is lower, and the service life is more longer.
6.Imported Japan Mitsuboshi belt, long service life, no maintenance.
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