In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Hot Selling Air Separation, Liquid Oxygen Plant, Oxygen Generating Plant, Liquid Nitrogen Oxygen Production Plant,Psa In Containers Oxygen Making System. All prices depend upon the quantity of your respective order; the extra you purchase, the extra economical the rate is. We also offer fantastic OEM provider to numerous famous brands. The product will supply to all over the world, such as Europe, America, Australia,Tunisia, South Africa,Tajikistan, San Diego.To make every client satisfied with us and achieve win-win success, we will continue to try our best to serve and satisfy you! Sincerely looking forward to cooperating with more overseas customers based on mutual benefits and great future business. Thank you.