Keerke Impulse Valve Manufacturing Co., Ltd ( former name is Fenghua Xinxin air-powered manufacturing Co., Ltd. ) has a history of more than ten years Since its establishment . It introduced and developed application and enviromental protection industry on the basis of the former technique of producing valves .The impulse valves , which is matched to the industrial dust remover ,was authorized both domestically and oversea with its apperance and quality . The valves are exported to Afria , Middle East and South Asia and so on and recognized as the most ideal substitute . With the expanding of the company , it passed the ISO9001 International System of Quality Certificate . The company will make determined and persistent efforts and innovate under the tenet of “ being credible , technique utmost, regarding quality as life , taking customer as self-respect” to struggle for better future     more>>