DanDong XinLong Air Tec filters Company which is located in the beautiful banks of the Yalu River, convenient transportation, beautiful scenery, is one of the key enterprises of producing air cleaning filter material. Our company have long –term cooperation with the well-known domestic companies and research institutes. We have training and bringing up a large number of professional counterparts and technical personnel with practical experience and technical workforce. The DV series of air filtration materials and acupuncture filtration felt series purification materials we have developed have awarded a number of Countries Patents and the National Science committee's award for invention. The high-quality brand-name products we have manufactured have been approved by the State Bureau of Technological Supervision. Our company have fully furnished advanced production equipment and advanced detection instruments .Relying on the science and technology, the innovation and the development ,the pragmatic and the struggle, we have manufactured variety products, several dozen varieties of more than 100 kinds of specifications .In our company ,we have firmly established the concept of quality is the key of the effective .The quality of our production is stable and reliable, in order to meet the multi-level users’ requirements .Over the years ,due to the assurance of the product quality and the continuous increase of the new varieties, so that our users spread all over the north-south. The air filtration products we have manufactured have all provided for the petrochemical industry, railways, metallurgy, power electronics, medicine, textile, automotive, aerospace and civilian and other industries. The test of our products has proven: The quality are reliable, the property are stable, the function are complete, the workmanship are exquisite and the prestige are outstanding. The concept of our company is : regard the contract , abide the promise and knight service .Our company following the principle of the quality first, the users supremacy.We do the pre and after-sales service for the users, dedicated the high quality products the first-class service to the users. Main users are: The capital steel and iron corporate system itches the branch factory, Shenma group limited company power branch factory, Dalian Petrochemical Synthesis factory, Daqing Refinery Main plant, Jilin FAW-Volkswagen light depot, North China Pharmaceutical Factory ect, has a very good reputation.