国产一二三区在线播放_91中文字幕_午夜a级日本一区_婷婷官网视频

    On October 01, 2018, the company officially purchased and commissioned and installed an ICP testing equipment, the equipment model PE-7000DV, which further enhanced the testing strength and timeliness of our company.At present, our company has dozens of testing equipments, such as spectrophotometer, laser particle size analyzer, ICP detector, particle size standard test screen, oxygen and nitrogen analyzer, EC detector, moisture detector, fluidity detector and so on. Strong testing ability is our strong guarantee to provide high-quality silicon powder for customers.