,we are the manufacture profession produce engine carbon cleaning machine for cars and trucks and bus, On-board hydrogen hybrid machine, Industrial combustion machine for boiler ,welding machine,cutting machine Etc,we are the biggest HHO manufacture in china,We focus on the HHO produce and develop since 2006 year.we have test that after carbon cleaning can save 15%-30% fuel for you and Back to new car performance.Our machine use Japan's mitsubishi PLC digital control system.have sensorsinside the machine, with touch screen,simple operation,finished clean the carbon only need 15 minute,only need running water(normal water) ,no need Electrolyte and other consumables,machine working fully automatic ,you only need to press "start", it is a new type of equipment in environmental protection.Please see attached quotation,may i know your 2017 Sales target plan?we can give you more discount if quantity is big,thank you.