寧夏東精機床有限公司是生產氣門座鏜床系列的專業廠家，公司致力于發動機設備的開發和創新，以及設備的專業維修，是中國汽車維修設備行業協會（CAMEIA)會員單位。公司于2004年開始自主研發并批量生產制造的“氣浮式自動定心氣門座鏜床”榮獲了國家四項技術專利，該項技術在同行業中處于重要地位，它的研發與應用改變了我國以前只能靠國外引進的局面，填充了我國汽車修理行業設備的重要地位，開創了我國發動機缸蓋氣門座圈口修復與再制造設備，實現了修理技術的高精度、效率高和企業的效益高，大大地解放了生產力，可與國際同類產品相比美。

Ningxia Dongjing Machine Tool Co., Ltd. is a professional manufacturer of valve seat boring machines. The company is committed to the development and innovation of engine equipment, as well as professional maintenance of equipment. It is a member unit of China Automobile Maintenance Equipment Industry Association (CAMEIA)The company has designed and produced the“air float centering valveseat boring machine“since 2004. The technology obtained four national patents and in a leading positionin China. It research and development change the situation of importing and fill in a blank of vehicle repair industry in China. It create a precedent for rebuilding and repairing cylinder head equipment. To achievehigh precision repair technology, high efficiency and benefit, greatly liberating the productive forces. Theproducts are well received based on its high quality and cost effective by domestic and internationalcustomers.

公司生產的TQZ85系列全氣浮式自動定心氣門座鏜床是一種高精、有效，集加工、刀具刃磨、真空檢測為一體的專用設備；適用于各種類型的柴、汽油發動機缸蓋的氣門座圈口、錐面角度和氣門導管孔的加工與維修。目前該產品已遠銷到國外三十多個國家和地區，產品以其高的性價比優勢受到中外客戶的認可和好評。

TQZ85 series air float auto- centering valve seat boring machine is a kind of high precision andefficiency special machine with tool grinder and vacuum testing for workpiece. It' s suitable for rebuildingand repairing kinds of valve seat and valve rod hole of engine cylinder head. It has been sold to more than30 countries and areas and win high reputation at home and abroad.