Yixing jingke Optical Instrument Co., Ltd. is a large manufacturer in our country that produces cells, optical cells and glass cells.Oevr thirty years of rescarch, development and production, it has gained rich experience and passed the proof of ISO9001 International Quality System. Now it has formed 16 series, 500 different kinds of cells and optical cells, which apply to photo electrons, optical spectrum analysers in industries of chemistry, metallurgy, enviromnental protection, medicinal tests, hospitals, power stations, water works, scientific research institutions etc…