Dshing Instrument Co.,Ltd,approved by quality assurance and quality management system ISO9001:2008.,mainly manufacture more than 200 kinds of petroleum tester ,all kinds of spectrometer as well as laboratory analysis instruments.
Our popular products are flash point tester, viscometer,distillation tester,sulfur content tester,asphalt penetrometer, bitumen softening point tester, visible spectrophotometer, ultraviolet and visible spectrophotometer, and atomic absorption