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天越机械零配件制造 China machine shop, supply custom parts of precision parts, CNC machining parts, castings, fabricated components, shafts and pipe ftiings.
www.mymachining.com - 2010-8-16 详细 JHJMPrecisionInstrumentsCoL JHJM Precision Instruments Co.,LTD.
www.jhydy.com - 2008-3-6 详细