Through taking the measures, the service life of refining ladle was increased and continuous casing process optimized. As a result, the production cost was reduced.

As a very important material during continuous casting, mold powder takes a key role in increasing casting speed, stabilizing continuous casing process and improving quality of products.

And he said rescuers were debating whether they would in fact need to line the rescue tunnel with metal casing as planned, a process that would take several days.