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Welcome to Nanjing OUYALONG industrial Co., LTD, we mainly produce and export chemical products, including titanium dioxide、phthalo blue、zinc oxide、glacial acetic acid、aluminum sulfate、formica acid、oxalic acid、pigment、rubber plastic products、phenylacetone, JWH etc! We advocate: united struggle, pioneering and enterprising, practical, highly effective working attitude. At the same time developing and introducing high and new technical products is highly valued! In recent years, we gradually expand domestic and international market based on our advanced technology, first-class production equipment, comprehensive monitoring tool and high qualit... [Click for detail]