Nanjing Blue Sky Filter Co.,Ltd. is a major brand that is committed to the production and R&D of v-cell air filters. Blue Sky produces a number of different product series, including water filter. Many important performance tests for Blue Sky vacuum cleaner dust bags have been conducted. They include slip resistance, abrasion resistance, rubbing colorfastness, bacteria resistance, and washability tests. Blue Sky's fast and perfect service allows users to have the most stable and cost-effective products.

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