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Rational Precision Instrument Co., Ltd Rational is a customer-oriented high-tech company specializing in research and design, manufacture, sales, services of precision measuring instruments.
www.rational-en.com - 2015-1-20 详细 东营市昌瑞精铸有限责任公司 uses the lost wax- silica sol shell craft manufacturing's the complex metal precision castings.
www.investmentcastingchina.net - 2012-7-6 详细 JHJMPrecisionInstrumentsCoL JHJM Precision Instruments Co.,LTD.
www.jhydy.com - 2008-3-6 详细