At Nanjing Blue Sky Filter Co.,Ltd., the products have to go through a series of quality inspection and performance testing before being delivered to customers. Only those meet our strict quality standards, as well as customers’ requirements, will be delivered to our customers. In addition to the strict quality inspections conducted by our in-house QC experts, we also welcome the inspection of the third party if needed. Maintaining outstanding quality is our top priority. You can buy from us with confidence. We ensure zero-defect quality and long-lasting product performance.

Founded many years ago, Blue Sky is a Chinese company specializing in pocket bag filter designing and manufacturing. We are known for our superb work. humidifier filters is the main product of Blue Sky. It is diverse in variety. Blue Sky Air Conditioner Filter is produced embedded with high technology. The technology of sterilization such as a disinfectant agent or ultraviolet sterilization is embedded in it to guarantee good water purification effect. Several tests were performed at each stage of production to ensure consistency in product quality.

We want to make a positive impact on the environment. We strive to operate with the ecological limits of our planet in mind so that we can support the needs of present and future generations.