Petal pump can pump out liquid with petal or with granule. It is external spring structure which make sure the liquid will not be contaminated by the spring. It is also fast rebound when it is working with high viscosity liquid.
Oil Pump
The usual problem of the oil product is that they will lead during produciton or during sales. The piston of the oil pump is using special oil proof materil to
11 June, 2024
