B、The signal control mode is safe and reliable；
Refilling request from the filling equipment is connected the concentrated control system, controlling the delivery pump start and stop.

C、Anti-error function of oil refilling;
For the different centralized supply systems for different fluids, wireless barcode scanner is adopted to the refilling area to avoid filling wrong fluid.

D、Cautious and precise safety protection measures；
The system is equipped with safety overflow valve to avoid overpressure leaking

E、Analog calculation design for fluid delivery；
According to the viscosity of the fluid in different temperature, we simulate the calculation for press loss of fluid delivery and select the most appropriate delivery pump and pipe, ensuring the flow of fluid.

F、Intelligent level control system；
Storage tank is equipped with magnetic double-color flowmeter driving by electricity. In concert with intelligent display device, the equipment is adopted with the function of display on the spot and remote display and fluid level alarm point.

G、In order to ensure the cleanliness of the pipe and save the washing fluid, Yiheng provides the specific filtering device and particle online test device for washing fluid, thus could help the user save over 70% washing fluid.以上.