Mainly in the chemical composition of materials and metal fasteners and other metal products, such as carbon steel and low alloy steel, stainless steel, aluminum and aluminum alloy, copper and copper alloy, titanium alloy, high temperature alloy, chrome ore, electrical and electronic products etc.. Involved in areas such as aerospace, automotive, nuclear power, wind power, railway and other high-tech industry. We have analyzed all kinds of professional equipment, including a read-only optical emission spectrometer, ICP spectroscopy, hydrogen oxygen nitrogen analyzer, tester, carbon sulfur analyzer, spectrophotometer and other advanced analysis and ancillary equipment.