To meet the customers' over-expected pleasure , now we have our potent staff to offer our greatest general service which includes internet marketing, sales, planning, output, quality controlling, packing, warehousing and logistics for air to air wheel type heat exchanger, ventilation hygiene , air treatment , industrial cooling ,Energy saving fresh air ventilation system . We sincerely welcome friends to negotiate business and start cooperation. We hope to join hands with friends in different industries to create a brilliant future. The product will supply to all over the world, such as Europe, America, Australia,Angola , Haiti ,Netherlands , Tunisia .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 and solutions have been exported to more than 15 countries in the world and have been widely used by customers.