At Nanjing Blue Sky Filter Co.,Ltd., we have established an after-sales service team which is responsible for keeping close contact with customers and dealing with relevant problems occurred after products sale. If active carbon air filter can't work normally, please be rest assured that we have formulated solutions to cope with this problem. If the fault in the product is caused due to non-human damages or misuse, and more the product is still under warranty, then we are responsible for repairing the product or delivering a new one to you for free. If the fault is caused by improper use, then it would be different.

Having accumulated rich experience in the industry, Blue Sky has become a well-known air filters manufacturer designing and manufacturing company in China. pocket filters is the main product of Blue Sky. It is diverse in variety. Blue Sky vacuum cleaner brush will be tested on its water treating performance in terms of capacity on removing suspended solids and microbial pathogens, as well as the water quality and contamination levels. The product contributes a lot to achieve the energy efficiency target. By consuming little energy, it can significantly cut electricity demand.

We are moving towards a sustainable future. We establish collaboration with our suppliers by reducing waste and increasing resource productivity.