Passed the Attestation of International Quality Managamant System IS09001 Air floating, auto-centering, vacuum clamping, high accuracy Frequency motor spindle, step less speed Regrinding cutter with machine grinder Supply vacuum test device for checking the valve tightness Widely used, rapid clamping rotary fixture Supply all kinds angle cutter according order

Ningxia Dongjing Machine Tool Co.,Ltd(It come from Ningxia Donging Special Machine Tool Co. Ltd) dedicate to research and manufacture of rebuilding engine,as well s maintenance equipment.It is a member of CAMEIA in China.The company has designed and produced the"air float centering valve seat boring machine"since 2004.The technology obtained four national patents and in a leading position in 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 achieve high precision repair technology,high efficiency and benefit, greatly liberating the productive forces.The products are well received based on its high quality and cost effective by domestic and international customers.

NINGXIA DONGJING MACHINE TOOL CO., LTD.

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