"Based on domestic market and expand abroad business" is our enhancement strategy for Flexible Air Ventilation Duct, Test Water Weighting Bag, Air Ventilation, Underground Ventilation Pipe,Mining Vent Duct. If possible, please send your requirements with a detailed list including the style/item and quantity you require. We will then send our best prices to you. The product will supply to all over the world, such as Europe, America, Australia,Namibia, Ecuador,Dubai, El Salvador.As an experienced group we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of our company is to build up a satisfactory memory to all customers, and establish a long term win-win business relationship. Choose us, we always wait for your appearance!