Quality comes first; service is foremost; business is cooperation" is our business philosophy which is constantly observed and pursued by our company for porous metal filter, Stainless Steel Filter Cartridge , Air Stone Diffuser , Temp Humidity Probe ,Co2 Module . We cordially welcome customers from at home and abroad to join us and cooperate with us to enjoy a better future. The product will supply to all over the world, such as Europe, America, Australia,Brisbane , Philippines ,Bahrain , Iran .If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.