The Testing Laboratory of Yunnan Sparking Science and Technology Co.,Ltd.,is dedicated to strengthening comprehensive product quality control through scientific and precise testing methods, ensuring that products meet both national and international safety standards. The Testing Laboratory comprises the Heavy Metal Testing Lab, Liquid Chromatography Testing Lab, Gas Chromatography Testing Lab, and Conventional Physical & Chemical Testing Lab. It is equipped with small-scale testing instruments such as density meters, refractometers, potentiometric titrators, viscometers, Karl Fischer moisture analyzers, colorimeters, and flash point testers, as well as large-scale analytical instruments including inductively coupled plasma mass spectrometers (ICP-MS), high-performance liquid chromatographs (HPLC), liquid chromatography–mass spectrometers (LC-MS), and gas chromatography–mass spectrometers (GC-MS), capable of conducting the indicator tests listed in the table below: