To create more value for customers is our business philosophy; customer growing is our working chase for knurled finned tube, Serrated Fin Tube , Ground Heat Exchanger , Finned Tube Heat Exchanger Calculations ,Architectural Finned Tube . For more information, please send email to us. We are looking forwards the opportunity to service you. The product will supply to all over the world, such as Europe, America, Australia,panama, Kenya,San Francisco, luzern.The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.