Blue Sky is a Chinese manufacturing company. We have been focusing on providing bag filter in our region and beyond. According to the material, Blue Sky's products are divided into several categories, and automobile filters is one of them. The production processes of Blue Sky hvac box filter consist of these following major steps: cutting, casting, welding, coarse grinding, accurate grinding, plating, and polishing. Using this product is a good way to lower energy consumption. It brings benefits for a house or workplace and finally will help save energy costs.
To keep with our longstanding commitment to Green quality standards, we maintain the highest international quality standards in our products, production processes, customer service, and manpower.