Concentration separatorThis machine is one of the scientific research items assigned by State Scientific and Technical Commission. It was given the grate Science Achievemen
synthetic sapphire ruby partsSuitable for uses to sustain movable parts of precision timing meter, meassuring meter, apparatus and instruments,etc
sapphire cup jewelsCup jewels are chiefly applied to electronic meter, hot water meter, liquid measuring instrument and movement system of single-phase and three-phase
synthetic sapphire/ruby partsCup jewels are chiefly applied to electronic meter, hot water meter, liquid measuring instrument and movement system of single-phase and triphase KHW
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