求翻译：历经四年有余，成功研制出消光剂、聚氨酯弹性助剂硅胶、“净唯他”空气净化剂等具有国家专利的新型科技环保产品。是什么意思？

After more than four years , successfully developed a matting agent , polyurethane elastomer silicone additive , the "net only that he" air purification agents have national patent new technology environmentally friendly products.

After 4 years, and successfully developed the polishes, polyurethane Elastic Support silica gel, the net Only he, air purification, and other national patent new technology products that are environmentally friendly.

Has been through repeatedly for four years to have -odd, the success develops the deadening agent, the polyurethane elasticity helps the medicinal preparation silica gel, “only only he” the air scavenger and so on has the national monopoly new technical environmental protection product.

After more than four years, we have successfully developed out of flatting agent silica gel, polyurethane additives, "NET only his" air purifiers with national patent of new technologies such as environmentally friendly products.

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