Adopting cold-rolled steel plate with costing, enhanced the rigidity and strength 1. Adopting cold-rolled steel plate with costing, enhanced the rigidity and strength, lessening shaking frequency 2. Exterior, corrosion-proof, taking on elegant character 3. Applying HEPA filter 4. Main unit connected flexibly with features of small tremble and low noise 5. High-intensity, long life, Ozone-free UV ...