535HP1368588255minutes ago50
The blowing mouth of the welding tool should not be too small to avoid excessive concentration of he...
416HP18660217220minutes ago40
Enhancements. The composite treatment of citric acid passivation followed by acid silicon system tre...
570HP15564270034minutes ago47
With the rapid development of economy, the improvement of living standards and the increase of expen...
535HP13685882549minutes ago34
The room temperature tensile strength of the annealed red copper sheet is ~ kgf/mm, the elongation i...
263HP1458166281An hour ago35
Process flow: drill in place → Drilling → Mud injection → Run casing &...
535HP1368588251An hour ago47
When placing, they should be stored separately according to the different components, and should not...
570HP1556427002An hour ago35
the coating and shall be dried in a tunnel oven. The drying condition of offset printing is usually...
263HP1458166282An hour ago52
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...
570HP1556427002An hour ago34
Inner container -- non-woven packaging color printing of direct and materials; container requiring e...