The straight seam welded pipe unit sends the strip steel into the welded pipe unit, and after rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube billet with an opening gap. Adjust the reduction of the extrusion roller to control the weld seam gap at 1~3mm, and m

First of all: in the process of use, we must strictly operate in accordance with the operating procedures in the instruction manual, let alone overload the machine and use it, and before complaining about the production, that is, the operation of the machine, we must check all aspects of the machine

BYD - China's largest brand of new energy vehiclesAccording to the sales data in 2022, more than 1.86 million new cars were sold in the whole year, and the cumulative export volume reached 55,916 units, a year-on-year increase of more than 300%.Its battery technology is an international leader.TENGD