We have different kinds of hydraulic jacking system from 10 tons to 400 tons with different strokes for different tank projects. According the client tank quantity, tank diameter, tank type,tank plate width and total tank construction requirement time, we are able to provide suitable proposals with tank welding machines. Meanwhile, we can provide oversea hydraulic and tank welding machines site technical support and training service. These hydraulic jacking system and tank welding machines have been used more than 500 projects site in more than 20 countries.