For the first post-weld expansion process, the primary […]

When the temperature and pressure are high, and under t […]

Sealed welding refers to the welding that guarantees th […]

There are two types of heat exchanger welding: strength […]

The hydraulic expansion tube is a new expansion joint t […]

Roller expansion method is to embed three small-diamete […]

Steel shell and tube heat exchangers are widely used in […]

1. Two kinds of media are serial (internal leakage) cau […]

After the copper liquid absorbs carbon monoxide, carbon […]

The floating head end structure of the novel floating h […]