The sewage treatment project in Xiong'an new district is a key construction project of the local government. Therefore, the leaders of the plant are very cautious in the selection of instruments and have extremely high requirements. After many comparisons, the plant finally selected our pH meter, ORP meter, fluorescent dissolved oxygen meter, turbidity meter, sludge concentration meter, ultrasonic level meter, electromagnetic flow meter and other process instruments to achieve the measurement of key parameters ensures that the effluent reaches industry standards.