Profile: Dalian Ou Filter Techanology Co.,Ltd specializes in designing, manufacturing, sourcing and exporting dry filtration products & accessories. We are an ISO 9001 certified company. Our products include polyester formed belts, polyester dry belts, polyester spiral belts, press filter belts, sludge dewatering belts, washing reticulum belts, plain weave belts, polyethylene meshes, decorative meshes, expanded food conveyor belts and anti-static conveyor belts. Our air filters are used in various air condition systems, various ventilation systems, spray-paint systems and spray paint pre-filter systems.