In 2015, many companies are exploring a new starting point and advanced technology. For example, drilling pumps and mud pumps, etc., are now explained by Xiaobian: What is the difference between the F series and the 3NB series of drilling pumps?
F series mud pump
It is completely converted from the American drawings, and many sizes are converted into English.
3NB series mud pump
It is converted on the basis of F series, and the size is metric series domestic mud pump
