We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with the good quality at the reasonable price for Porous Media Filter, Sintered Porous Plastic Filter , Air Sparger Bubble Diffuser , Porous Sintered Filter ,Filter Metal Sheet . We'll do our greatest to fulfill your specifications and are sincerely searching ahead to developing mutual helpful small business marriage with you! The product will supply to all over the world, such as Europe, America, Australia,Korea , Ecuador ,Afghanistan , Uganda .With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.