We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Sludge Centrifuge Machine, Air Stone Disc Bubble Diffuser, Rotary Drum Filter Screen, Grit Classifier Sizing,Acid Dosing System. All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Angola, Sacramento,Ghana, Norwegian.We provide OEM services and replacement parts to meet the varying needs of our customers. We give competitive price for quality solutions and we are going to make certain your shipment is handled quickly by our logistics department. We sincerely hope to have the opportunity to meet with you and see how we can help you further your own business.