2. Open frame or silent for your choice. Diff silent canopy for your choice, normal old canopy, new canopy, hiearns newest canopy, especially super silent canopy, 60-65dB at 7 meters.
3. We are factory, have our design and produce workshop and production line, greatly save expense for you.
4. CE, GS, EPA, RoHS, ISO, SONCAP and so on certificates.
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