Product Name: Acid-Resistant Steel RS-3Graphite Heat Exchanger for Central Cooler Material: Stainless Steel Style: Plate Type Principle: Recuperative Heat Exchanger Application: Heater, Cooler, Vaporizer, Condenser Certification: CE, ISO Weight: 5-1000kg Trademark: Xinren Transport Package: Plywood Case Origin: Jinan, Shandong HS Code: 841950090 Product Description 1.Are you a trading company or a factory?We are a factory with professional workers and equipment. Welcome to visit and inspect our factory at any time.2.What is the warranty for your products?We provide two year warranty for all the items we sold.3.What is your leading time for the products I need?Generally 20 working days. It depends on the quantities you request.