Nantong Heng Rong Pump Factory is the first factory succeeding in developing and mass-producing general three-lobed Roots blowers,anti-explosive three-lobed Roots blowers and three-lobed vacuum pumps.As a ISO9001(quality management system,2000)and ISO14001(environment management system,1996)certificate enterprise,it is also given the title of outstanding company of environmental protection in China,council member of China environment protection industrial association and Jiangsu environment protection industrial association member of the standing committee of water pollution prevention and control special committee,Jiangsu hi-technology enterprise,appointed manufacturer of city anti-pollution factory approved by the state environment protection bureau,and Nantong honest and reliable enterprise. As an enterprise with tremendous technology strength,advanced design,superior facilities and complete test measures,we have production capacities for 5,000 sets of 3L Air-blower annually.With the approval of national blowers quality supervision testing center,our series products reach the level of 10 to 23 percent energy-saving and 7 to 17 db lower in noise compared with the two-lobed blowers.By virtue of its high-efficiency,energy-saving,low-noise and no-vibration,Heng Rong three-lobed blowers are popular with extended customers including colleges and academies.Our products have been approved as national new product,national energy-saving electric engineering product(the 18th batch),key environmental protection practical technique,one of first recommendation products from national water pollution controlling committee,China excellent environmental protection device,and won gold medals in many professional exhibitions.Abiding by quality policy of strict management,elaborate manufacturing,sincere service and pleasing customers,and environment policy of sticking to regulations,strengthening function superstition,stressing pollution prevention,improving performance,believing in “honesty is the best policy”,relying on high-tech products enjoying independent knowledge property rights,by virtue of excellent products,reasonable price and enthusiastic after-sale service,we have been making great progress,realizing a favorable brand and market share in the field of sewage disposal,soot desulfurization,material transmission,inflammable and explosive gases transmission,heavy-oil jet,blast furnace smelting,aquiculture,chemical industry,formaldehyde compound,and etc. Our leading products is Heng Rong general and anti-explosive three-lobed blower series,with three-lobed Roots vacuum pump,revolving blower,muffler,sound arrester,electric controlling cabinet and safety valve as appendix.