Potential of hydrogen analyzers(PH), oxidation reduction potentio analyzers (ORP), dissolved oxygen analyzers (DO), the above product applies in applies in professions, the measuring appliance sensor and so on waste water processing, food, chemical industry, electric power, papermaking, hospital, running water, environmental monitoring comes from China this produces the sensor are most for the present world type, the quality best industry sensor, suitably in each kind of situation, upscale equipment, inexpensive price for this product bright characteristic. These products can not only meet the requirements from the domestic customers but also be exported to American, Japan and China Taipei in large quantity. At the same time we can develop new electrode and equipment according to the market requirements. So we are looking forward to making products by the samples and brands from domestic and overseas.