Desc:WQ-III is suitable for welding internal and external walls of pipelines. No rails are required and welding can be carried out along the arc surface of...
Desc:The traditional steam generator uses ordinary electric heating tubes, which are not used for a long time, and the scale is particularly severe. With t...
Desc:The traditional steam generator uses ordinary electric heating tubes, which are not used for a long time, and the scale is particularly severe. With t...
