535HP1368588255minutes ago41
However, it is difficult to change this situation too much in the short term. It is expected that t...
535HP13685882519minutes ago51
The blowing mouth of the welding tool should not be too small to avoid excessive concentration of he...
416HP18660217234minutes ago42
Enhancements. The composite treatment of citric acid passivation followed by acid silicon system tre...
570HP15564270048minutes ago49
With the rapid development of economy, the improvement of living standards and the increase of expen...
535HP1368588251An hour ago36
The room temperature tensile strength of the annealed red copper sheet is ~ kgf/mm, the elongation i...
263HP1458166281An hour ago37
Process flow: drill in place → Drilling → Mud injection → Run casing &...
535HP1368588252An hour ago49
When placing, they should be stored separately according to the different components, and should not...
570HP1556427002An hour ago37
the coating and shall be dried in a tunnel oven. The drying condition of offset printing is usually...
263HP1458166282An hour ago53
Special slings shall be used for the lifting of horizontal members such as laminated plates, and the...
535HP1368588252An hour ago42
The copper bar market declined steadily this week, with a decline of - yuan. Due to low pig iron in...