Yinlong water supply equipment Co., LTD has made active influence and established good reputation .the company is located in Xicun county,Gongyi city,Henan province .It enjoys a very convenient transportation.Yinlong has accumulated rich experience in design and manufacture with more than ten years.we are specializing  in rubber joint ,detachable double flange force joint ,glange type expansion joint ,flexible waterproofing casing ,flexible rubber joint can dance and so on.