Rao yang pure long new material co.,LTD is a professional production of filter materials factory. our main products are: filter for 8:1 styrofoam, filter, filter with a high-end PU glue, high adhesivepads, 5:1 oil temperature hydraulic filter for plastic, no styrofoam, cement dust pu rubberwith hard, special hard-curing adhesive. Also operates a variety of filter paper, filter, filterlid, plastic molds, pads, and other products.